methyl 5-chloro-2-(2-ethoxy-2-oxoethoxy)benzoate

ethyl 2-[4-(3-chlorobenzoyl)phenoxy]acetate

乙酸-(4-甲基苯氧基)乙酯

1-(2-羟乙基)吡咯

ethyl 1-methyl-3-oxo-2H-indole-2-carboxylate