(4R)-N-[(2,2-Difluoro-1,3-benzodioxol-5-yl)methyl]-3-{(2S,3S)-2-hydroxy-3-[(3-hydroxy-2-methylbenzoyl)amino]-4-phenylbutanoyl}-5,5-dimethyl-1,3-thiazolidine-4-carboxamide AIDS-190385 AIDS190385