4,5-二氯-2-噻吩羧酸甲酯

2-甲氧基丁胺

methyl 5,8-dimethyl-3,4-dihydronaphthalene-2-carboxylate

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

methyl 3-(2-(3-hydroxypropyl)-5-oxopyrrolidin-2-yl)propanoate