((5R,7R)-1,8-Dioxaspiro[4.5]dec-7-yl)-N-((1S,2R)-2-hydroxy-3-{[(4-methoxyphenyl)sulfonyl](2-methylpropyl)amino}-1-benzylpropyl)carboxamide AIDS-060305 AIDS060305 N-(Hydroxyethyl)sulfonamide deriv.