2-{16-[5-((2E)-3-(3-Quinolyl)prop-2-enyloxy)(5S,6S,2R,3R,4R)-4-(dimethylamino)-3,6-dihydroxy(2H-3,4,5,6-tetrahydropyran-2-yloxy)](15S,16S,1R,3R,9R,10R,14R)-10-ethyl-14-hydroxy-9-(methoxymethyl)-3,7,15-trimethyl-4,12-dioxo-11-oxacyclohexadeca-5,7-dienyl}ethanal AIDS-184221 AIDS184221