Abstract
C34H36N4O5, monoclinic, C2/c (no. 15), a = 29.9636(9) Å, b = 20.4000(3) Å, c = 14.2266(4) Å, β = 132.845(5)°, V = 6376.0(5) Å3, Z = 8, R gt (F) = 0.0544, wRref(F2) = 0.1735, T = 293(2) K.
The asymmetric unit of the molecular structure is shown in the figure. Table 1 contains crystallographic data and Table 2 contains the list of the atoms including atomic coordinates and displacement parameters.

Data collection and handling.
Crystal: | Colorless |
Size: | 0.17 × 0.13 × 0.10 mm |
Wavelength: | CuKα radiation (1.54184 Å) |
μ: | 0.66 mm−1 |
Diffractometer, scan mode: | Xcalibur, ω |
θmax, completeness: | 67.1°, >99% |
N(hkl)measured, N(hkl)unique, Rint: | 41,586, 5692, 0.042 |
Criterion for Iobs, N(hkl)gt: | Iobs > 2 σ(Iobs), 4502 |
N(param)refined: | 424 |
Programs: | CrysAlisPRO [1], SHELX [2, 3], Olex2 [4] |
Fractional atomic coordinates and isotropic or equivalent isotropic displacement parameters (Å2).
Atom | x | y | z | Uiso*/Ueq |
---|---|---|---|---|
C1 | 0.63138 (8) | 0.29531 (9) | 0.77446 (17) | 0.0490 (4) |
C2 | 0.56345 (8) | 0.29590 (9) | 0.67687 (17) | 0.0493 (4) |
C3 | 0.52083 (8) | 0.34335 (9) | 0.58964 (18) | 0.0527 (4) |
H3 | 0.5286 | 0.3835 | 0.5721 | 0.063* |
C4 | 0.46506 (8) | 0.31855 (9) | 0.53506 (17) | 0.0505 (4) |
C5 | 0.43220 (9) | 0.20854 (10) | 0.5533 (2) | 0.0630 (5) |
H5A | 0.4175 | 0.2180 | 0.5944 | 0.095* |
H5B | 0.4516 | 0.1664 | 0.5807 | 0.095* |
H5C | 0.3987 | 0.2084 | 0.4620 | 0.095* |
C6 | 0.40416 (9) | 0.34888 (9) | 0.44077 (19) | 0.0545 (4) |
C7 | 0.36642 (10) | 0.35345 (11) | 0.4646 (2) | 0.0666 (5) |
H7 | 0.3784 | 0.3353 | 0.5387 | 0.080* |
C8 | 0.31063 (11) | 0.38526 (13) | 0.3770 (3) | 0.0833 (7) |
H8 | 0.2853 | 0.3884 | 0.3929 | 0.100* |
C9 | 0.29276 (12) | 0.41194 (13) | 0.2675 (3) | 0.0860 (8) |
H9 | 0.2553 | 0.4330 | 0.2091 | 0.103* |
C10 | 0.32993 (12) | 0.40767 (13) | 0.2439 (2) | 0.0823 (7) |
H10 | 0.3177 | 0.4258 | 0.1694 | 0.099* |
C11 | 0.38557 (10) | 0.37656 (11) | 0.3302 (2) | 0.0678 (5) |
H11 | 0.4108 | 0.3742 | 0.3138 | 0.081* |
C12 | 0.72917 (8) | 0.32897 (9) | 0.85233 (18) | 0.0534 (4) |
H12 | 0.7420 | 0.2872 | 0.8985 | 0.064* |
C13 | 0.75146 (9) | 0.38395 (11) | 0.9488 (2) | 0.0630 (5) |
C14 | 0.63274 (8) | 0.35871 (9) | 0.62876 (17) | 0.0498 (4) |
C15 | 0.61058 (9) | 0.32050 (10) | 0.52443 (18) | 0.0559 (5) |
H15 | 0.6120 | 0.2750 | 0.5309 | 0.067* |
C16 | 0.58639 (10) | 0.34973 (11) | 0.4109 (2) | 0.0649 (5) |
H16 | 0.5709 | 0.3239 | 0.3404 | 0.078* |
C17 | 0.58501 (9) | 0.41741 (11) | 0.4013 (2) | 0.0620 (5) |
C18 | 0.60648 (10) | 0.45566 (10) | 0.5046 (2) | 0.0635 (5) |
H18 | 0.6051 | 0.5011 | 0.4982 | 0.076* |
C19 | 0.63016 (9) | 0.42595 (10) | 0.6182 (2) | 0.0582 (5) |
H19 | 0.6444 | 0.4517 | 0.6879 | 0.070* |
C20 | 0.57132 (17) | 0.50852 (16) | 0.2785 (3) | 0.1092 (11) |
H20A | 0.5562 | 0.5179 | 0.1950 | 0.164* |
H20B | 0.6140 | 0.5183 | 0.3424 | 0.164* |
H20C | 0.5500 | 0.5349 | 0.2932 | 0.164* |
C21 | 0.75690 (8) | 0.33322 (9) | 0.79462 (19) | 0.0550 (5) |
C22 | 0.76365 (9) | 0.27708 (11) | 0.7516 (2) | 0.0676 (6) |
H22 | 0.7533 | 0.2368 | 0.7628 | 0.081* |
C23 | 0.78565 (11) | 0.27971 (18) | 0.6919 (3) | 0.0902 (9) |
H23 | 0.7905 | 0.2411 | 0.6650 | 0.108* |
C24 | 0.80040 (12) | 0.3386 (2) | 0.6720 (3) | 0.0945 (9) |
C25 | 0.79447 (15) | 0.39357 (19) | 0.7162 (4) | 0.1067 (11) |
H25 | 0.8050 | 0.4338 | 0.7050 | 0.128* |
C26 | 0.77327 (12) | 0.39162 (12) | 0.7774 (3) | 0.0834 (7) |
H26 | 0.7701 | 0.4303 | 0.8072 | 0.100* |
C27a | 0.8195 (4) | 0.3250 (4) | 0.5961 (8) | 0.0900 (17) |
H27Aa | 0.8048 | 0.2819 | 0.5574 | 0.108* |
H27Ba | 0.7992 | 0.3566 | 0.5269 | 0.108* |
C27Ab | 0.8244 (4) | 0.3595 (5) | 0.6082 (9) | 0.0900 (17) |
H27Cb | 0.7980 | 0.3418 | 0.5219 | 0.108* |
H27Db | 0.8237 | 0.4069 | 0.6023 | 0.108* |
C28a | 0.8856 (6) | 0.3277 (10) | 0.6709 (14) | 0.0830 (19) |
C28Ab | 0.8873 (7) | 0.3355 (11) | 0.6833 (17) | 0.0830 (19) |
C29a | 0.9806 (7) | 0.3061 (16) | 0.856 (2) | 0.113 (4) |
H29Aa | 0.9812 | 0.2733 | 0.8085 | 0.169* |
H29Ba | 1.0023 | 0.2902 | 0.9413 | 0.169* |
H29Ca | 0.9995 | 0.3454 | 0.8606 | 0.169* |
C29Ab | 0.9871 (8) | 0.2975 (19) | 0.881 (3) | 0.113 (4) |
H29Db | 1.0057 | 0.3187 | 0.8546 | 0.169* |
H29Eb | 1.0053 | 0.2552 | 0.9160 | 0.169* |
H29Fb | 0.9931 | 0.3237 | 0.9447 | 0.169* |
C30a | 0.8384 (5) | 0.4146 (6) | 1.1788 (10) | 0.082 (2) |
H30a | 0.8140 | 0.4536 | 1.1577 | 0.098* |
C30Ab | 0.8402 (6) | 0.4279 (8) | 1.1504 (12) | 0.082 (2) |
H30Ab | 0.8108 | 0.4605 | 1.1305 | 0.098* |
C31a | 0.8628 (5) | 0.3855 (6) | 1.3047 (9) | 0.117 (3) |
H31Aa | 0.8304 | 0.3778 | 1.3033 | 0.141* |
H31Ba | 0.8844 | 0.3448 | 1.3245 | 0.141* |
C31Ab | 0.8762 (6) | 0.4045 (7) | 1.2881 (11) | 0.117 (3) |
H31Cb | 0.8499 | 0.4033 | 1.3051 | 0.141* |
H31Db | 0.8917 | 0.3606 | 1.2994 | 0.141* |
C32a | 0.9053 (5) | 0.4391 (6) | 1.3983 (9) | 0.137 (3) |
H32Aa | 0.9348 | 0.4228 | 1.4856 | 0.165* |
H32Ba | 0.8833 | 0.4756 | 1.3937 | 0.165* |
C32Ab | 0.9270 (7) | 0.4499 (7) | 1.3773 (11) | 0.137 (3) |
H32Cb | 0.9624 | 0.4269 | 1.4521 | 0.165* |
H32Db | 0.9156 | 0.4841 | 1.4049 | 0.165* |
C33a | 0.9368 (6) | 0.4584 (7) | 1.3463 (13) | 0.164 (4) |
H33Aa | 0.9415 | 0.5056 | 1.3496 | 0.197* |
H33Ba | 0.9769 | 0.4387 | 1.4001 | 0.197* |
C33Ab | 0.9396 (6) | 0.4781 (8) | 1.2990 (11) | 0.164 (4) |
H33Cb | 0.9761 | 0.4586 | 1.3247 | 0.197* |
H33Db | 0.9454 | 0.5251 | 1.3112 | 0.197* |
C34a | 0.8989 (5) | 0.4353 (5) | 1.2124 (10) | 0.151 (3) |
H34Aa | 0.9174 | 0.3983 | 1.2072 | 0.181* |
H34Ba | 0.8914 | 0.4700 | 1.1566 | 0.181* |
C34Ab | 0.8837 (6) | 0.4619 (6) | 1.1574 (11) | 0.151 (3) |
H34Cb | 0.8661 | 0.5020 | 1.1077 | 0.181* |
H34Db | 0.8960 | 0.4349 | 1.1221 | 0.181* |
N1 | 0.66164 (7) | 0.32829 (8) | 0.74974 (14) | 0.0517 (4) |
N2 | 0.53554 (7) | 0.24387 (8) | 0.67494 (15) | 0.0541 (4) |
N3 | 0.47602 (7) | 0.25854 (8) | 0.58801 (15) | 0.0523 (4) |
N4 | 0.80523 (8) | 0.37174 (10) | 1.06539 (18) | 0.0792 (6) |
H4Aa | 0.8223 | 0.3352 | 1.0755 | 0.095* |
H4Bb | 0.8189 | 0.3324 | 1.0899 | 0.095* |
O1 | 0.65894 (6) | 0.26604 (7) | 0.87677 (13) | 0.0611 (4) |
O2 | 0.72369 (8) | 0.43489 (9) | 0.92033 (16) | 0.0882 (6) |
O3 | 0.56203 (9) | 0.44125 (9) | 0.28597 (16) | 0.0833 (5) |
O4c | 0.90281 (15) | 0.3293 (3) | 0.6194 (3) | 0.1492 (17) |
O4Ad | 0.9149 (6) | 0.3757 (9) | 0.6784 (14) | 0.1492 (17) |
O5c | 0.91995 (14) | 0.3196 (3) | 0.7947 (3) | 0.1128 (13) |
O5Ad | 0.9240 (6) | 0.2900 (8) | 0.7736 (13) | 0.1128 (13) |
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aOccupancy: 0.537 (6), bOccupancy: 0.463 (6), cOccupancy: 0.793 (5), dOccupancy: 0.207 (5).
Source of material
All starting materials are commercially available and were used without further purification. Add p-anisidine (123 mg, 1 mmol, from Aladdin) and methanol (5 mL) into a 10 mL dried microwave bottle, stirred at room temperature for 10 min. Then methyl 2-(4-formylphenyl) acetate (178 mg 1 mmol, purchased from Macklin), molecular sieve 4A (0.2 g, from Aldrich), 1-methyl-5-phenyl-1H- pyrazole-3-carboxylic acid (1 mmol, purchased from Bidepharm) and cyclopentyl isocyanide (165 uL, 1.1 mmol) were added into the microwave bottle. The mixture was reacted in the microwave reactor at 80 °C for 1 h. After that, the reaction mixture was cooled down to room temperature, and the solvent was evaporated under reduced pressure to afford the yellow-brown crude product. The yellow-brown product was purified by column chromatography on a silica gel (200–300 μm) with petroleum ether:ethyl acetate (1:1) and ethyl acetate as eluent separately. Crystals of the target product were obtained by recrystallization from an acetonitrile solution at room temperature.
Experimental details
H atoms were placed in their geometrically idealized positions and constrained to ride on their parent atoms.
Comment
Pyrazole is a nitrogen-containing five-membered heterocyclic ring and corresponding derivatives show a wide range of anti-inflammatory [5, 6], anti-bacterial [7, 8], anti-malarial [9] and other activities. It is widely used in medicine [10] and fluorescent probes [11]. In recent years, multi-component reactions have gradually become a main method to create complex molecules [12, 13]. The title compound is a pyrazole heterocyclic compound synthesized by the Ugi reaction through ketone, amine, carboxylic acid and isonitrile [14].
The title crystal structure is shown in the figure, in which all values of the geometric parameters are normal [15]. There are two symmetry related N–H⃛O hydrogen bonds that connect neighboring molecules into dimers. In the crystal structure, the three phenyl rings and the pyrazolyl ring are almost planar. The cyclopentyl ring has a chair conformation. Possible π–π interactions are not observed. The torsion angle of C3–C4–C6–C9 is −126.2(2)° which shows the phenyl moiety bonded to C4 is not coplanar to the pyrazolyl moiety.
Funding source: Innovation and Entrepreneurship Training Program for College Students in Henan Province
Award Identifier / Grant number: S201910471036
Funding source: Innovative Learning Program for College Students of Henan University of Traditional Chinese Medicine
Award Identifier / Grant number: CXXM[2019]0029
Funding source: Foundation for University Key Teachers from the Education Department of Henan Province
Award Identifier / Grant number: 2020GGJS107
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Author contributions: All the authors have accepted responsibility for the entire content of this submitted manuscript and approved submission.
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Research funding: This work was financially supported by Innovation and Entrepreneurship Training Program for College Students in Henan Province (No. S201910471036), Innovative Learning Program for College Students of Henan University of Traditional Chinese Medicine (No. CXXM[2019]0029) and the Foundation for University Key Teachers from the Education Department of Henan Province (No. 2020GGJS107).
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Conflict of interest statement: The authors declare no conflicts of interest regarding this article.
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© 2022 Youlu Zhang et al., published by De Gruyter, Berlin/Boston
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- New Crystal Structures
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- Crystal structure of [diaqua[2,2′-(1,2-phenylene)bis(1H-imidazole-4-carboxylato-5-carboxy)-κ4N,N′,O,O′]nickel(II)] tetrahydrate, C16H12N4NiO10·4H2O
- The crystal structure of tris(4-methyl-1H-pyrazol-1-yl)methane, C13H16N6
- The crystal structure of 5,6-dichloro-2-(quinolin-8-yl)isoindoline-1,3-dione, C17H8Cl2N2O2
- Crystal structure of (E)-(2-methoxy-benzylidene)-(4-[1,2,4]triazol-1-yl-phenyl)-amine, C16H14N4O
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- Crystal structure of tetraaqua-tris(nitrato-κ2 O,O′) erbium(III) monohydrate, Er(NO3)3·5H2O, H10ErN3O14
- The crystal structure of 1-methyl-2-nitro-1H-imidazole 3-oxide, C4H5N3O3
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- The crystal structure of catena-poly[(m2-4,4′-bipyridine-κ2 N:N)-bis(6-phenylpyridine-2-carboxylato-κ2 N,O) zinc(II)], C34H24N4O4Zn
- The crystal structure of hexaquamagnesium(II) (2,4-bis(nitroimino)-6-oxo-1,3,5-triazinane-1,3-diide), C3H15MgN7O12
- The crystal structure of 7-Bromo-2-(4-chloro-phenyl)-quinoxaline, C14H9BrClN2
- Crystal structure of methyl 4-{[4-(4-cyanobenzamido)phenyl]amino}benzofuro[2,3-d]pyrimidine-6-carboxylate, C26H17N5O4
- The crystal structure of (4SR)-7-(3,4-dichlorobenzyl)-4,8,8-trimethyl-7,8-dihydroimidazo[5,1c][1,2,4]triazine-3,6(2H,4H)-dione, C15H16Cl2N4O2
- Crystal structure of catena-poly[{μ2-3-carboxy-2,3-bis((4-methylbenzoyl)oxy)propanoato-κ2 O:O′}tris(methanol-κ1 O)lanthanum(III)], C63H63LaO27
Articles in the same Issue
- Frontmatter
- New Crystal Structures
- Crystal structure of {2,2′-{cyclohexane-1,2-diylbis[(azanylylidene)methylylidene]}bis(2,4-dibromophenolato)-κ4 N,N′,O,O′}copper(II) ─ diethylformamide (1/1), C23H23Br4CuN3O3
- The crystal structure of 2-(2-methyl-6-phenyl-4H-pyran-4-ylidene)-1H-indene-1,3(2H)-dione, C21H14O3
- Crystal structure of bis((1-methylbenzimidazol-2-yl)methyl)amine, C18H19N5
- Crystal structure of (E)-N′-(1-(2-hydroxy-4-methoxyphenyl)ethylidene) isonicotinohydrazide, C15H15N3O3
- Crystal structure of 2-((4-phenyl-5-(pyridin-4-yl)-4H-1,2,4-triazol-3-yl)thio)acetonitrile, C15H11N5S
- The crystal structure of 2,2′-((1E,1′E)-hydrazine-1,2-diylidenebis(methaneylylidene))bis(4-chlorophenol), C14H10Cl2N2O2
- Dichlorido-{2,6-bis(4,5-dihydro-1H-pyrazol-3-yl)pyridine-κ3 N,N′,N″}zinc(II), C11H9C12N5Zn
- The crystal structure of dichlorido-(2-((4-phenyl-2H-1,2,3-triazol-2-yl)methyl)pyridine-κ2N,N′)palladium(II), C14H12Cl2N4Pd
- The crystal structure of 1-(N1-benzyl-2-methyl-4-nitro-imidazol-5-yl)-4-(prop-2-yn-1-yl) piperazine, C18H21N5O2
- Crystal structure of (μ4-(1,2,4,5-tetra(1,2,4-triazol-1-ylmethyl)-benzene-κ4N:N1:N2:N3)disilver(I) diperchlorate
- The crystal structure of 1-(2-bromoethane)-4-amine-3,5-dinitropyrazole, C5H6Br1N5O4
- Crystal structure of (E)-1-(4-benzyl-3,5-dioxomorpholin-2-ylidene)ethyl acetate, C15H15N1O5
- The crystal structure of poly[diaqua-(μ2-1,2,4,5-tetrakis(1,2,4-triazol-1-ylmethyl)-benzene-κ2N:N′)-bis(μ3-terephthalato-κ3O:O′:O′′)dicadmium(II)], C17H15N6O5Cd
- Crystal structure of (E)-N′-(1-(5-chloro-2-hydroxyphenyl) ethylidene)thiophene-2-carbohydrazide, C13H11ClN2O2S
- The crystal structure of [(2,2′-bipyridine-k2 N,N)-bis(6-phenylpyridine-2-carboxylato-k2 N,O)cobalt(II)]-monohydrate, C36H26N4O5Co
- Crystal structure of (E)-N′-(2-chloro-6-hydroxybenzylidene)-3-hydroxybenzo-hydrazide monohydrate, C14H13ClN2O4
- Crystal structure of 1,1′-(methylene)bis(pyridin-1-ium) bis(1,2-dicyanoethene-1,2-dithiolato-κ2S:S)nickel(II), C42H30N14Ni2S8
- Crystal structure of 1,1′-(1,2-ethanediyl)bis(pyridin-1-ium) bis(1,2-dicyanoethene-1,2-dithiolato-κ2 S:S)nickel(II), C20H14N6NiS4
- The crystal structure of 1-methyl-1H-pyrazol-2-ium nitrate, C4H7O3N3
- The crystal structure of 4,4′-diselanediylbis(8-(hexyloxy)-3,6-dimethyl-1-(piperidin-1-yl)isoquinoline-7-carbonitrile), C46H60N6O2Se2
- The crystal structure of tris(6-methylpyridin-2-yl)phosphine selenide, C18H18N3PSe
- The crystal structure of 1,2-bis(2,4-dinitro-1H-imidazol-1-yl)ethane ─ acetone (1/1), C11H12N8O9
- Crystal structure of [diaqua[2,2′-(1,2-phenylene)bis(1H-imidazole-4-carboxylato-5-carboxy)-κ4N,N′,O,O′]nickel(II)] tetrahydrate, C16H12N4NiO10·4H2O
- The crystal structure of tris(4-methyl-1H-pyrazol-1-yl)methane, C13H16N6
- The crystal structure of 5,6-dichloro-2-(quinolin-8-yl)isoindoline-1,3-dione, C17H8Cl2N2O2
- Crystal structure of (E)-(2-methoxy-benzylidene)-(4-[1,2,4]triazol-1-yl-phenyl)-amine, C16H14N4O
- The crystal structure of (Z)-2-(4-(4-bromophenyl)thiazol-2-yl)-4-(3-hydroxybut-2-enoyl)-5-methyl -1,2-dihydro-3H-pyrazol-3-one – methanol (1/1), C18H18N3O4S
- Crystal structure of tetraaqua-tris(nitrato-κ2 O,O′) erbium(III) monohydrate, Er(NO3)3·5H2O, H10ErN3O14
- The crystal structure of 1-methyl-2-nitro-1H-imidazole 3-oxide, C4H5N3O3
- The crystal structure of 1-methyl-2-nitroimidazole, C4H5N3O2
- The crystal structure of 2-carboxyl-4-nitroimidazole monohydrate, C4H5N3O5
- Crystal structure of bis[hydrido-hexaphenylcarbodiphosphoran][tetra-trifluoromethyl-(μ-diiodo)-diplatinat]
- The crystal structure of poly[μ2-aqua- aqua-(μ3-(E)-2-(4-((2-carbamothioylhydrazineylidene)methyl)phenoxy)acetato-κ3 O:S:S)sodium(I)], C10H14N3O5SNa
- The twinned crystal structure of [4,4′-bipyridine]-1,1′-diium hexachloridostannate(IV), C10H10N2SnCl6
- The crystal structure of [(2,2′-bipyridine-k2 N,N)-bis(6-phenylpyridine-2-carboxylate-k2 N,O)copper(II)], C34H24N4O4Cu
- Crystal structure of trans-1,2-bis(pyridinium-4-yl) ethylene bis(2-carboxy-4-bromobenzoate) – water (1/4), C14H14BrNO6
- Crystal structure of poly[diaqua-(μ3-fumarato)-(μ3-maleato)-(μ4-1,2,4,5-tetrakis((1H-1,2,4-triazol-1-yl)methyl)benzene)tetracadmium(II)] dihydrate, C34H32N12O9Cd4
- Crystal structure of a second modification of Pachypodol, C18H16O7
- Crystal structure of methyl 2-(4-(2-(cyclopentyl-amino)-1-(N-(4-methoxyphenyl)-1-methyl-5-phenyl-1-H-pyrazole-3-carboxamido)-2-oxoethyl)phenyl)acetate, C34H36N4O5
- The crystal structure of catena-poly[(m2-4,4′-bipyridine-κ2 N:N)-bis(6-phenylpyridine-2-carboxylato-κ2 N,O) zinc(II)], C34H24N4O4Zn
- The crystal structure of hexaquamagnesium(II) (2,4-bis(nitroimino)-6-oxo-1,3,5-triazinane-1,3-diide), C3H15MgN7O12
- The crystal structure of 7-Bromo-2-(4-chloro-phenyl)-quinoxaline, C14H9BrClN2
- Crystal structure of methyl 4-{[4-(4-cyanobenzamido)phenyl]amino}benzofuro[2,3-d]pyrimidine-6-carboxylate, C26H17N5O4
- The crystal structure of (4SR)-7-(3,4-dichlorobenzyl)-4,8,8-trimethyl-7,8-dihydroimidazo[5,1c][1,2,4]triazine-3,6(2H,4H)-dione, C15H16Cl2N4O2
- Crystal structure of catena-poly[{μ2-3-carboxy-2,3-bis((4-methylbenzoyl)oxy)propanoato-κ2 O:O′}tris(methanol-κ1 O)lanthanum(III)], C63H63LaO27