1 LIU N-[(4-{[1,1-dimethyl-2-(phenylthio)ethyl]amino}-3-nitrophenyl)sulfonyl]-4-(4,4-dimethylpiperidin-1-yl)benzamide 1.000 2 LI0 4-(4-benzyl-4-methoxypiperidin-1-yl)-N-[(4-{[1,1-dimethyl-2-(phenylthio)ethyl]amino}-3-nitrophenyl)sulfonyl]benzamide 0.816