Synonyms: 4H-Pyrrolo[2,3-d]pyrimidin-4-one,1,7-dihydro-2-(methylthio)- (9CI);7H-Pyrrolo[2,3-d]pyrimidin-4-ol,2-(methylthio)- (6CI);NSC 124161;NSC 673094;2-(Methylsulfanyl)-3,7-dihydro-4H-pyrrolo[2,3-d]pyrimidin-4-one;2-(Methylsulfanyl)-7H-pyrrolo[2,3-d]pyrimidin-4-ol;3,4-Dihydro-2-[methylthio]-4H-pyrrolo[2,3-d]pyrimidin-4-one;4-Hydroxy-2-(methylthio)-7H-pyrrolo[2,3-d]pyrimidine;