別名
(2S)-4-[[1-(4,4-Dimethyl-2,6-dioxocyclohexylidene)-3-methylbutyl]amino]-2-[[(9H-fluoren-9-ylmethoxy)carbonyl]amino]butanoic acid / (S)-2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-4-((1-(4,4-dimethyl-2,6-dioxocyclohexylidene)-3-methylbutyl)amino)butanoic acid