4-氨基-3-疏基-6-甲基-4H-[1,2,4]噻嗪-5-酮

丙酮酸甲酯

2-氧代丙酸异丙酯

6-methyl-3-prop-2-ynylsulfanyl-2H-1,2,4-triazin-5-one

methyl 2-(carbamothioylhydrazinylidene)propanoate