1 JN4 Ethenyl 6-(ethenylcarbamoyl)-2-[(phenylacetyl)amino]-4,5,6,7-tetrahydrothieno[2,3-C]pyridine-3-carboxylate 1.000 2 J25 Diethyl 2-[(thiophen-2-ylacetyl)amino]-4,7-dihydrothieno[2,3-C]pyridine-3,6(5h)-dicarboxylate 0.727 3 JN8 Cyclopentyl 6-(ethylcarbamoyl)-2-[(thiophen-2-ylacetyl)amino]-4,5,6,7-tetrahydrothieno[2,3-C]pyridine-3-carboxylate 0.714