Fmoc-L-缬氨酸 、
Fmoc-L-苯丙氨酸 、
乙酸酐 、
E-4,7-bis-(tert-butyldimethylsilanyloxy)-8-(9H-fluoren-9-ylmethoxycarbonylamino)-2,10-dimethylundec-5-enoic acid 、 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-{(E)-(1S,2S,5S,7S)-7-[(S)-1-((S)-1-carbamoyl-2-phenyl-ethylcarbamoyl)-3-carboxy-propylcarbamoyl]-2,5-dihydroxy-1-isobutyl-oct-3-enylcarbamoyl}-ethylcarbamoyl)-2-methyl-propylcarbamoyl]-butyric acid