2-tert-Butylamino-4-N-methylpiperazino-5-methylthio-6-chloro-pyrimidine 4-Chloro-2-(tert-butylamino)-6-(4-methylpiperazino)-5-methylthiopyrimidine 5-25-12-00572 (Beilstein Handbook Reference) 55477-20-8 BRN 0889233 Pyrimidine, 4-chloro-2-(tert-butylamino)-6-(4-methylpiperazino)-5-methylthio-