label: (R)-2-((((9H-FLUOREN-9-YL)METHOXY)CARBONYL)AMINO)-3-(4-((S)-2,6-DIOXOHEXAHYDROPYRIMIDINE-4-CARBOXAMIDO)PHENYL)PROPANOIC ACID
label_lc: (r)-2-((((9h-fluoren-9-yl)methoxy)carbonyl)amino)-3-(4-((s)-2,6-dioxohexahydropyrimidine-4-carboxamido)phenyl)propanoic acid