(3Ar,4R,7R,8S,9S,10R,11R,13R,15R,15Ar)-10-(((2S,3R,4S,6R)-4-(Dimethylamino)-3-Hydroxy-6-Methyltetrahydro-2H-Pyran-2-Yl)Oxy)-4-Ethyl-11-Hydroxy-8-(((2R,4R,5S,6S)-5-Hydroxy-4-Methoxy-4,6-Dimethyl