(4R)-3-((2S,3S)-3-{[(2,6-Dimethylphenoxy)acetyl]amino}-2-hydroxy-4-phenylbutanoyl)-5,5-dimethyl-N-[(2R)-tetrahydrofuran-2-ylmethyl]-1,3-thiazolidine-4-carboxamide AIDS-190567 AIDS190567