(3S,4aS,8aS)-N-(tert-Butyl)-2-[(2R,3S)-2-hydroxy-3-({(2S)-2-{[(4-oxo-4H-chromen-2-yl)carbonyl]amino}-2-[(3R)-tetrahydrofuran-3-yl]acetyl}amino)-4-phenylbutyl]decahydroisoquinoline-3-carboxamide AIDS-192507 AIDS192507