1H-Purine, 6-(methylthio)- 1H-Purine, 6-(methylthio)- (9CI) 50-66-8 6-(Methylthio)purine 6-Methyl MP 6-Methylmercaptopurine 6-Methylthiopurine AI3-26418 EINECS 200-057-3 NSC 20105 PURINE, 6-(METHYLTHIO)- S-Methyl-6-mercaptopurine SQ 8343