benzyl (1S,2R)-2-((S)-1-((2,5-dioxopyrrolidin-1-yl)methyl)-1,2,3,4-tetrahydroisoquinoline-2-carbonyl)cyclohexane-1-carboxylate

(10bS)-5,10b-dihydro-1H-oxazolo[4,3-a]isoquinoline-3,6-dione