(3S)-Tetrahydrofuran-3-yl [(1S,2S)-1-benzyl-3-((4R)-4-{[(4R)-3,4-dihydro-2H-chromen-4-ylamino]carbonyl}-5,5-dimethyl-1,3-thiazolidin-3-yl)-2-hydroxy-3-oxopropyl]carbamate AIDS-190609 AIDS190609