6-O-Allyl ketolide 7-[(2S,4S,3R,6R)-4-(Dimethylamino)-3-hydroxy-6-methylperhydropyran-2-yloxy](6S,8S,14S,1R,2R,4R,7R,10R,13R)-17-aza-13-ethyl-2,4,6,8,10,14-hexamethyl-9-methylene-12,15-dioxa-6-(3-(3-quinolyl)propoxy)bicyclo[12.3.0]heptadecane-3,11,16-trione A-201943 AIDS-093600 AIDS093600