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2-[(3S,4R,6R)-6-[[(1R,5R,6S,7S,8R,9R,11R,14R,15S)-8-[(2S,4S,6R)-4-(Dimethylamino)-6-methyloxan-2-yl]oxy-9-hydroxy-1,5,7,9,11,13,14-heptamethyl-4,17-dioxo-3,16,18-trioxa-13-azabicyclo[13.3.0]octadecan-6-yl]oxy]-4-methoxy-2,4-dimethyloxan-3-yl]oxyacetaldehy


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