1,8-辛二醇 、
4-甲氧基四氟溴苄 、
8-(2,3,5,6-tetrafluoro-4-methoxy-benzyloxy)-octan-1-ol 、
8-(2,3,5,6-tetrafluoro-4-methoxy-benzyloxy)-octanoic acid 、 (R)-benzyl 3-amino-4-(dimethylamino)butanoate dihydrochloride 以to produce (R)-3-[8-(2,3,5,6-tetrafluoro-4-methoxy-benzyloxy)-octanoylamino]-4-dimethylamino-butyric acid benzyl ester, which的产率得到(R)-3-[8-(2,3,5,6-tetrafluoro-4-methoxy-benzyloxy)-octanoylamino]-4-dimethylamino-butyric acid benzyl ester