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[(2S,3R,4S,6R)-4-(Dimethylamino)-2-[[(1R,2R,5R,6S,7S,8R,9S,11R,14R)-2-ethyl-6-hydroxy-9-(hydroxymethyl)-1,5,7,9,11-pentamethyl-4,12,16-trioxo-3,15,17-trioxabicyclo[12.3.0]heptadecan-8-yl]oxy]-6-methyloxan-3-yl] acetate


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