(2S)-N-{(1S,2R)-3-[(2H-Benzo[3,4-d]1,3-dioxolen-5-ylsulfonyl)(2-methylpropyl)amino]-2-hydroxy-1-benzylpropyl}-2-methyl-3-{[4-(2-pyridylmethyl)piperazinyl]sulfonyl}propanamide AIDS-045240 AIDS045240 Bis(sulfonamido) hydroxyethylamino deriv.