4-Amino-2-(methylthio)-6-pyrimidinol1074-41-5100 % similar 2-(Methylthio)-4,6-pyrimidinediamine1005-39-662 % similar 6-Chloro-2-(methylthio)pyrimidin-4-amine1005-38-538 % similar 2-(Methylthio)benzimidazole7152-24-136 % similar Simetryn1014-70-633 % similar 4,6-Diamino-2-mercaptopyrimidine1004-39-330 % similar