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(2S,3R,6R,8R,9R,10R)-9-[(2S)-4-(Dimethylamino)-3-hydroxy-6-methyloxan-2-yl]oxy-3-[(4R,5R)-5-ethyl-4-methyl-2-oxo-1,3-dioxolan-4-yl]-2,6,8,10,12-pentamethyl-4,13-dioxabicyclo[8.2.1]tridecane-5,7-dione


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