Hydrogen-bonded chains in 5-methyl-2-trifluoromethyl-1,2,4-triazolo[1,5-<i>a</i>]pyrimidin-7(4<i>H</i>)-one and hydrogen-bonded chains of rings in 5-amino-3-trifluoromethyl-1<i>H</i>-1,2,4-triazole–5-methyl-2-trifluoromethyl-1,2,4-triazolo[1,5-<i>a</i>]pyrimidin-7(4<i>H</i>)-one (1/1), the co-crystal of a reaction product and one of its precursors
Acta crystallographica. Section C, Crystal structure communications/Acta crystallographica. Section C, Crystal structure communications.