(R)-2-(((((9H-芴-9-基)메틸산소基)羰基)아미노)-5-(叔부틸산소基)-4-(叔부틸산소基羰基)-5-산소代펜틸산
(R)-2-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)-5-(tert-butoxy)-4-(tert-butoxycarbonyl)-5-oxopentanoic acid
(R)-2-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)-5-(tert-butoxy)-4-(tert-butoxycarbonyl)-5-oxopentanoic acid 98%