ethyl 2-(2-cyano-3-mercapto-3-(phenylamino)acrylamido)-4,5,6,7-tetrahydrobenzo(b)thiophene-3-carboxylate
ethyl 2-(2-cyano-3-mercapto-3-(phenylamino)acrylamido)-4,5,6,7-tetrahydrobenzo(b)thiophene-3-carboxylate