英文名称
((S)-2-{(S)-2-[(S)-2-[(S)-2-((S)-2-Amino-4-carbamoyl-butyrylamino)-3-benzyloxy-butyrylamino]-3-(3H-imidazol-4-yl)-propionylamino]-3-benzyloxy-propionylamino}-4-methyl-pentanoylamino)-acetic acid 4-nitro-benzyl ester; compound with trifluoro-acetic acid