((2R,4R)-4-Hydroxy-4-propylperhydro-2H-pyran-2-yl)-N-((1S,2R)-2-hydroxy-3-{[(4-methoxyphenyl)sulfonyl](2-methylpropyl)amino}-1-benzylpropyl)carboxamide AIDS-060309 AIDS060309 N-(Hydroxyethyl)sulfonamide deriv.