Azido-diphenyl-acetyl chloride 、 生成 {2-[(S)-6-Amino-2-((S)-2-{(S)-2-[(S)-2-((S)-2,6-diamino-hexanoylamino)-3-(4-hydroxy-phenyl)-propionylamino]-3-hydroxy-propionylamino}-3-hydroxy-propionylamino)-hexanoylamino]-2,2-diphenyl-acetylamino}-diphenyl-acetic acid