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Benzyl [(2R,3R,4S,6R)-6-[[(1S,2R,3R,7R,8R,11R,12S,13S,14R,15S,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-pentaoxa-17lambda4-thiatricyclo[13.3.2.03,7]icosan-12-yl]o


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