(23S,50S)-50-((((9H-芴-9-基)甲氧基)羰基)氨基)-23-(叔丁氧基羰基)-2,2-二甲基-4,21,26,35,44-五氧代-3,30,33,39,42-五氧杂-22,27,36,45-四氮杂五十一烷-51-酸
(23S,50S)-50-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-23-(tert-butoxycarbonyl)-2,2-dimethyl-4,21,26,35,44-pentaoxo-3,30,33,39,42-pentaoxa-22,27,36,45-tetraazahenpentacontan-51-oic acid
(23S,50S)-50-((((9H-芴-9-基)甲氧基)羰基)氨基)-23-(叔丁氧基羰基)-2,2-二甲基-4,21,26,35,44-五氧代-3,30,33,39,42-五氧杂-22,27,36,45-四氮杂五十一烷-51-酸 98%