6-溴-苯并[b]噻吩-2-羧酸乙酯

6,7,8,8a-tetrahydro-5H-[1,3]thiazolo[3,2-a]pyridin-3-one

4-甲基-2-苯基-1,3-噻唑-5-甲酸乙酯

1,3-噻嗪-2-硫酮

ethyl 2-butanoylsulfanylacetate