3-{6-[2-(3-methoxycarbonyl-phenyl)-(1Z)-1-ethenyl]-3-[6-(4-methoxyphenyl)-(5E)-5-hexenyloxy]-2-pyridyl}-propionic acid methyl ester   、                                                                                         、                                                                                      
sodium hydroxide                                                                                                                                                                                              以
                                                                                         
甲醇   、                                                                                         
四氢呋喃                                                                                  为溶剂,
                                                                                                                                                                                        以69 mg of the title compound is obtained as colorless oil的产率得到3-{6-[2-(3-Carboxyphenyl)-(1Z)-1-ethenyl]-3-[6-(4-methoxyphenyl)-(5E)-5-hexenyloxy]-2-pyridyl}-propionic acid