5-(Ethoxycarbonyl)-4H-thieno[3,2-b]pyrrole

Ethyl 4H-thieno[2,3-d]pyrrole-5-carboxylate

ETHYL 4H-THIENO[3,2-B]PYRROLE-5-CARBOXYLATE

4H-Thieno[3,2-b]pyrrole-5-carboxylic acid, ethyl ester