(2S,3S,4R,6R)-6-{13-[(2S,4S,3R,6R)-4-(Dimethylamino)-6-methyl-3-(N-{[(3-nitrophenyl)methyl]amino}carbamoyloxy)(2H-3,4,5,6-tetrahydropyran-2-yloxy)](1S,5S,6S,8S,2R,7R,10R,12R,13R,14R)-9-[aza(3-cyclohexylpropoxy)methylene]-5-ethyl-6,7,12-trihydroxy-2,6,8,10,12,14-hexamethyl-4-oxa-3-oxocyclotetradecyloxy}-4-methoxy-2,4-dimethyl-2H-3,4,5,6-tetrahydropyran-3-yl acetate AIDS-111999 AIDS111999