Fmoc-L-缬氨酸   、                                                                                      
Fmoc-L-苯丙氨酸   、                                                                                      
乙酸酐   、                                                                                      
   、                                                                                      alkaline earth salt of/the/ methylsulfuric acid   、                                                                                      alkaline earth salt of/the/ methylsulfuric acid                                                                                                                                                                                                                                                                                                          生成                                                 (S)-4-Acetylamino-4-[(S)-1-((S)-2-carbamoyl-1-{(Z)-(1R,3S,6R,7R)-7-[(S)-1-((S)-1-carbamoyl-2-phenyl-ethylcarbamoyl)-3-carboxy-propylcarbamoyl]-3,6-dihydroxy-1-isobutyl-oct-4-enylcarbamoyl}-ethylcarbamoyl)-2-methyl-propylcarbamoyl]-butyric acid