CAS No 55224-05-0 , (1R,2R,4R,6R,8S,9S,10R,13R,14R)-7-[(2S,3R,4S,
6R)-4-(dimethylamino)-3-hydroxy-6-methyloxan-2-yl]oxy-13-ethyl-6-
hydroxy-9-[(2R,4R,5S,6S)-5-hydroxy-4-methoxy-4,
6-dimethyloxan-2-yl]oxy-2,4,6,8,10,14-hexamethyl-12,15,
17-trioxabicyclo[12.3.0]heptadecane-3,11,16-trione