2-Amino-4-allylamino-pyrazolo(1,5-a)-s-triazine hydrochloride hemihydrate 71680-77-8 N(sup 4)-2-Propenylpyrazolo(1,5-a)-1,3,5-triazine-2,4-diamine, hydrochloride hydrate (2:2:1) Pyrazolo(1,5-a)-1,3,5-triazine-2,4-diamine, N(sup 4)-2-propenyl-, hydrochloride, hydrate (2:2:1)