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[(2S,3R,4S,6R)-4-(Dimethylamino)-2-[[(1R,2S,5R,6R,7S,8R,9S,11R,12S,13S,14R)-2-ethyl-9,12-dihydroxy-6-[(2R,4S,5R,6R)-4-methoxy-4,6-dimethyl-5-phenylmethoxycarbonyloxyoxan-2-yl]oxy-1,5,7,9,11,13-hexamethyl-4,16-dioxo-3,15,17-trioxabicyclo[12.3.0]heptadecan-


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