2-Amino-4-tert-butylamino-7-methylpyrazolo(1,5-a)-s-triazine hydrochloride 71680-76-7 N(sup 4)-(1,1-Dimethylethyl)-7-methylpyrazolo(1,5-a)-1,3,5-triazine-2,4-diamine, hydrochloride Pyrazolo(1,5-a)-1,3,5-triazine-2,4-diamine, N(sup 4)-(1,1-dimethylethyl)-7-methyl-, hydrochloride