1,3,5-Triazaspiro(5.5)undeca-2,4-diene, 1-(4-bromophenyl)-2,4-diamino-9-methyl-, hydrochloride 1-(4-Bromophenyl)-2,4-diamino-9-methyl-1,3,5-triazaspiro(5.5)undeca-2,4-diene hydrochloride 73940-97-3