(4R)-N-[(4S)-6,8-Difluoro-3,4-dihydro-2H-chromen-4-yl]-3-{(2S,3S)-2-hydroxy-3-[(3-hydroxy-2-methylbenzoyl)amino]-4-phenylbutanoyl}-5,5-dimethyl-1,3-thiazolidine-4-carboxamide AIDS-190381 AIDS190381