- (S)-3-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-7-((1-(4,4-dimethyl-2,6-dioxocyclohexylidene)-3-methylbutyl)amino)heptanoic acid,97%, 50mg
- (S)-3-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-7-((1-(4,4-dimethyl-2,6-dioxocyclohexylidene)-3-methylbutyl)amino)heptanoic acid,97%, 100mg