{[6-{4-[(benzylsulfonyl)carbamoyl]piperidin-1-yl}-5-cyano-3-(ethoxycarbonyl)pyridin-2-yl]thio}acetic acid 、
杂氮环丁烷 以to give ethyl 2-[(2-azetidin-1-yl-2-oxoethyl)thio]-6-{4-[(benzylsulfonyl)carbamoyl]piperidin-1-yl}-5-cyanonicotinate的产率得到ethyl 2-[(2-azetidin-1-yl-2-oxoethyl)thio]-6-{4-[(benzylsulfonyl)carbamoyl]piperidin-1-yl}-5-cyanonicotinate