11-[(2S,4S,3R,6R)-4-(Dimethylamino)-3-hydroxy-6-methyl(2H-3,4,5,6-tetrahydropyran-2-yl)oxy]-9-((2S,5S,6S,4R)-5-hydroxy-4-methoxy-4,6-dimethyl(2H-3,4,5,6-tetrahydropyran-2-yl)oxy)(4S,9S,2R,3R,5R,8R,10R,11R,12R,14R)-5-ethyl-3,4,12-trihydroxy-2,4,8,10,12,14-hexamethyl-6-oxacyclotetradecane-1,7-dione AIDS-111913 AIDS111913