(R)-2-(((((9H-芴-9-基)メチル酸素基)羰基)アミノ)-5-(叔ブチル酸素基)-4-(叔ブチル酸素基羰基)-5-酸素代ペンチル酸
(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%