2,4-Pyrimidinediamine, 6-chloro-N(sup 4)-(2-(dimethylamino)ethyl)-N(sup 2)-methyl-5-(methylthio)-N(sup 2)-phenyl-, monohydrobromide 2-N-Methyl-N-phenylamino-4-(2'-dimethylamino)ethylamino-5-methylthio-6-chloropyrimidine HBr 55416-96-1