(2S)-N-((1S,2R)-2-Hydroxy-3-{[(4-methoxyphenyl)sulfonyl](2-methylpropyl)amino}-1-benzylpropyl)-2-methyl-3-{[benzylamino]sulfonyl}propanamide AIDS-045237 AIDS045237 Bis(sulfonamido) hydroxyethylamino deriv.