(3R,5R,6S,7R,8R,11R,12S,13R,14S,15S)-14-((2S,3R,4S,6R)-4-(dimethylamino)
-3-hydroxy-6-methyltetrahydro-2H-pyran-2-yloxy)-6-hydroxy-12-((2R,4S,5S,6S)
-5-hydroxy-4-methoxy-6-methyltetrahydro-2H-pyran-2-yloxy)-5,7,8,11,13,15
-hexamethyl-1,9-dioxaspiro[2.13]hexadecane-4,10-dione |