1-乙氧基羰基甲基-2-氧代-环戊烷羧酸乙酯

ethyl 2-(4-methyl-2-oxochromen-7-yl)oxyacetate

ethyl 2-(2,3,4,5,6-pentachlorophenoxy)acetate

N-(3,4-dimethoxy-phenethyl)-N-(toluene-4-sulfonyl)-glycine

2-(1H-吡咯-1-基)乙酸乙酯