5-氰基-2-甲基-6-(甲基硫代)嘧啶-4(3H)-酮

5-cyano-2-methyl-4,4-bis(methylthio)-6-oxo-1,4,5,6-tetrahydropyrimidine

4-cyano-5-methylsulfanyl-2,3-dihydropyrrole-4-carboxamide