(4R)-N-[(1S)-2,3-Dihydro-1H-inden-1-yl]-3-{(2S,3S)-2-hydroxy-3-[(3-hydroxy-2-methylbenzoyl)amino]-4-phenylbutanoyl}-1-thia-3-azaspiro[4.4]nonane-4-carboxamide AIDS-190470 AIDS190470