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system
Name the molecular formula for the molecule established as [(2R)-4-oxobutan-2-yl] (3R,4S,5S,6R,8R,9R)-9-acetyloxy-5-[(2S,3R,4S,5S,6R)-3-acetyloxy-4-(dimethylamino)-5-[(2S,4R,5S,6S)-4-hydroxy-4,6-dimethyl-5-propanoyloxyoxan-2-yl]oxy-6-methyloxan-2-yl]oxy-6-(2,2-dimethoxyethyl)-4-methoxy-8-methyl-10-oxo-3-propanoyloxydecanoate using the IUPAC nomenclature.
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C45H75NO20
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