ethyl 2-{[(2-naphthyloxy)acetyl]amino}-5,6,7,8-tetrahydro-4H-cyclohepta[b]thiophene-3-carboxylate C??? ??, ??, ??

ethyl 2-{[(2-naphthyloxy)acetyl]amino}-5,6,7,8-tetrahydro-4H-cyclohepta[b]thiophene-3-carboxylate ?? ?? ? ???

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ethyl 2-{[(2-naphthyloxy)acetyl]amino}-5,6,7,8-tetrahydro-4H-cyclohepta[b]thiophene-3-carboxylate ?? ??