2,4-Diamino-7-methyl-pyrazolo(1,5-a)-s-triazine hydrochloride hemihydrate 7-Methylpyrazolo(1,5-a)-1,3,5-triazine-2,4-diamine hydrochloride hydrate (2:2:1) 71680-64-3 Pyrazolo(1,5-a)-1,3,5-triazine-2,4-diamine, 7-methyl-, hydrochloride, hydrate (2:2:1)