1-{6-[(2-Acetamidoethyl)thio]-3-chloro-5-(ethoxycarbonyl)pyridin-2-yl}piperidine-4-carboxylic acid 、
1-(4-氯苯基)甲烷磺酰胺 以to give ethyl 2-[(2-acetamidoethyl)thio]-5-chloro-6-(4-{[(4-chlorobenzyl)sulfonyl]carbamoyl}piperidin-1-yl)nicotinate的产率得到ethyl 2-[(2-acetamido-ethyl)thio]-5-chloro-6-(4-(((4-chlorobenzyl)sulfonyl)carbamoyl)piperidin-1-yl)nicotinate