AIDS-073037 AIDS073037 Carbamic acid, [(1S,2R)-2-hydroxy-3-[[(4-methylphenyl)sulfonyl](2-methylpropyl)amino]-1-(phenylmethyl)propyl]-, (3R,3aS,6aR)-hexahydrofuro[2,3-b]furan-3-yl ester Sulfonamide isostere