(4R)-N-[(1S)-Cyclohex-2-en-1-yl]-3-{(2S,3S)-2-hydroxy-3-[(3-hydroxy-2,4-dimethylbenzoyl)amino]-4-phenylbutanoyl}-5,5-dimethyl-1,3-thiazolidine-4-carboxamide AIDS-190570 AIDS190570