2-{(15S,16S,1R,3R,9R,10R,14R)-9-[((5S,2R,3R,4R,6R)-5-Hydroxy-3,4-dimethoxy-6-methyl(2H-3,4,5,6-tetrahydropyran-2-yloxy))methyl]-16-[(5S,6S,2R,3R,4R)-4-(dimethylamino)-3,6-dihydroxy-5-prop-2-enyloxy(2H-3,4,5,6-tetrahydropyran-2-yloxy)]-10-ethyl-14-hydroxy-3,7,15-trimethyl-4,12-dioxo-11-oxacyclohexadeca-5,7-dienyl}ethanal AIDS-184218 AIDS184218