(S)-3-[N-(3'-chlorobiphenyl-4-ylmethyl)-N'-(3-hydroxyisoxazole-5-carbonyl)hydrazino]-2-hydroxypropionic acid isopropyl ester trifluoroacetate                                                                                                                                                              在
                                                                                                                                                                                 
水   、                                                                                                  sodium hydroxide                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
乙醇                                                                                  为溶剂,
                                                                                                                                                                                        生成                                                 
(S)-3-[N-(3'-chlorobiphenyl-4-ylmethyl)-N'-(3-hydroxyisoxazole-5-carbonyl)hydrazino]-2-hydroxypropionic acid trifluoroacetate