2,4-Diamino-7-ethyl-8-methyl-pyrazolo(1,5-a)-s-triazine hydrochloride hydrate 7-Ethyl-8-methylpyrazolo(1,5-a)-1,3,5-triazine-2,4-diamine hydrochloride hydrate 71680-65-4 Pyrazolo(1,5-a)-1,3,5-triazine-2,4-diamine, 7-ethyl-8-methyl-, hydrochloride, hydrate