10-[(3RS,4RS)-3-Ethyl-7-hydroxy-3-(4-hydroxyphenyl)thiochroman-4-yl]-2-(7,7,8,8,8-pentafluorooctyl)-decanoic Acid 、
Ethyl 2-(4,4,5,5,5-pentafluoropentyl)-8-nonenoate 以to give 10-[(3RS,4RS)-3-ethyl-7-hydroxy-3-(4-hydroxyphenyl)thiochroman-4-yl]-2-(4,4,5,5,5-pentafluoropentyl)decanoic acid的产率得到10-[(3RS,4RS)-3-ethyl-7-hydroxy-3-(4-hydroxyphenyl)thiochroman-4-yl]-2-(4,4,5,5,5-pentafluoropentyl)decanoic acid