312604-55-0

ethyl 2-(2-nitrobenzamido)-5,6-dihydro-4H-cyclopenta[b]thiophene-3-carboxylate ethyl 2-{[(2-nitrophenyl)carbonyl]amino}-5,6-dihydro-4H-cyclopenta[b]thiophene-3-carboxylate 4H-Cyclopenta[b]thiophene-3-carboxylic acid, 5,6-dihydro-2-[(2-nitrobenzoyl)amino]-, ethyl ester