2,5-dioxopyrrolidin-1-yl (2S,3R)-3-(tert-butoxy)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)butanoate

2,5-dioxopyrrolidin-1-yl (2S,3R)-3-(tert-butoxy)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)butanoate · CAS 75530-95-9