5,7-二羟基噻吩并[3,2-b]吡啶

7-chloro-4,5-dihydro-5-oxothieno<3,2-b>pyridine-6-carboxylic acid

6-ethoxycarbonyl-7-chlorothieno[3,2-b]pyridin-5(4H)-one

3-氨其噻吩-2-甲酸乙酯

ethyl N-(2-ethoxycarbonyl-3-thienyl)malonamate