74695-36-6
6-ethoxycarbonyl-7-hydroxythieno[3,2-b]pyridin-5(4H)-one
→
74695-40-2
5,7-二羟基噻吩并[3,2-b]吡啶
74695-28-6
ethyl N-(2-ethoxycarbonyl-3-thienyl)malonamate
31823-64-0
3-氨其噻吩-2-甲酸乙酯