Acta Cryst. (2004). C60, o733-o736  [ doi:10.1107/S0108270104020256 ]

Hydrogen-bonded chains in 5-methyl-2-trifluoromethyl-1,2,4-triazolo[1,5-a]pyrimidin-7(4H)-one and hydrogen-bonded chains of rings in 5-amino-3-trifluoromethyl-1H-1,2,4-triazole-5-methyl-2-trifluoromethyl-1,2,4-triazolo[1,5-a]pyrimidin-7(4H)-one (1/1), the co-crystal of a reaction product and one of its precursors

N. Boechat, K. D. B. Dutra, A. L. Valverde, S. M. S. V. Wardell, J. N. Low and C. Glidewell

Formula: C₇H₅F₃N₄O and C₃H₃F₃N₄·C₇H₅F₃N₄O

Online 18 September 2004

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