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(1E,2S,3R,7R,8R,11R,13R,14R,15R,20R)-14-[(2S,3R,4S,6R)-4-(Dimethylamino)-3-hydroxy-6-methyloxan-2-yl]oxy-8-ethyl-2,7,11,13,15,20-hexamethyl-4,6,9,16,18-pentaoxa-19-azatricyclo[13.4.2.03,7]henicos-1(19)-ene-5,10,12-trione


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