2-(N-Methyl-N-acetyl)amino-4-N-methylpiperazino-5-methylthio-6-chloro-pyrimidine hydrochloride 55477-39-9 Acetamide, N-(4-chloro-6-(4-methyl-1-piperazinyl)-5-(methylthio)-2-pyrimidinyl)-N-methyl-, monohydrochloride