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[(2S,3S,7R,8R,11R,12S,13S,14R,15R,19R)-14-[(2S,3R,4S,6R)-4-(Dimethylamino)-3-hydroxy-6-methyloxan-2-yl]oxy-8-ethyl-2,7,11,13,15,19-hexamethyl-5,10,17-trioxo-4,6,9,16,18-pentaoxatricyclo[13.3.2.03,7]icosan-12-yl] 2-pyridin-3-ylacetate


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