methyl 5-(4-nitrophenyl)thiophene-2-carboxylate

ethyl 2-[1-(2-ethoxy-2-oxoethyl)sulfanylethylsulfanyl]acetate

2-({[(2-乙氧基-2-氧代乙基)硫代]甲基}硫代)乙酸乙酯

ethyl 2-[(2-ethoxy-2-oxoethyl)sulfanyl-phenylmethyl]sulfanylacetate

6,7-二氢-4H-噻吩并[3,2-c]吡喃-2-羧酸乙酯