(4R)-N-[(1S)-Cyclohex-2-en-1-yl]-3-{(2S,3S)-3-[(4-fluoro-3-hydroxy-2-methylbenzoyl)amino]-2-hydroxy-4-phenylbutanoyl}-5,5-dimethyl-1,3-thiazolidine-4-carboxamide AIDS-190633 AIDS190633