(3S)-tetrahydrofuran-3-yl [(1S,2S)-1-benzyl-3-{(2S)-2-benzyl-3-oxo-4-[(4R)-1-oxo-1,2,3,4-tetrahydroisoquinolin-4-yl]-2,3-dihydro-1H-pyrrol-2-yl}-2-hydroxypropyl]carbamate
(3s)-tetrahydrofuran-3-yl [(1s,2s)-1-benzyl-3-{(2s)-2-benzyl-3-oxo-4-[(4r)-1-oxo-1,2,3,4-tetrahydroisoquinolin-4-yl]-2,3-dihydro-1h-pyrrol-2-yl}-2-hydroxypropyl]carbamate