2-Methylamino-4-N-(beta-hydroxyethyl)-piperazino-6-chloro-5-methylthio-pyrimidine 4-Chloro-6-(2-hydroxyethylpiperazino)-2-methylamino-5-methylthiopyrimidine 5-25-12-00572 (Beilstein Handbook Reference) 55477-27-5 BRN 0891476 Pyrimidine, 4-chloro-6-(2-hydroxyethylpiperazino)-2-methylamino-5-methylthio