tert-Butyl ((S)-5-((S)-2-(6-(2,5-dioxo-2,5-dihydro-1H-pyrrol-1-yl)hexanamido)-3-phenylpropanamido)-6-((4-(hydroxymethyl)phenyl)amino)-6-oxohexyl)carbamate

tert-Butyl ((S)-5-((S)-2-(6-(2,5-dioxo-2,5-dihydro-1H-pyrrol-1-yl)hexanamido)-3-phenylpropanamido)-6-((4-(hydroxymethyl)phenyl)amino)-6-oxohexyl)carbamate