1 K02 (5r)-N,N-diethyl-5-methyl-2-[(thiophen-2-ylcarbonyl)amino]-4,5,6,7-tetrahydro-1-benzothiophene-3-carboxamide 1.000 2 K03 N,N-diethyl-5,5-dimethyl-2-[(2-thienylcarbonyl)amino]-4,5,6,7-tetrahydro-1-benzothiophene-3-carboxamide 0.962 3 K01 N,N-diethyl-2-[(2-thienylcarbonyl)amino]-4,5,6,7-tetrahydro-1-benzothiophene-3-carboxamide 0.960