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What is the molecular formula of the molecule (2R)-2-[(2S)-4-[[(4R,4aS,7aR,12bS)-4a-hydroxy-9-methoxy-3-methyl-1,2,4,5,7a,13-hexahydro-4,12-methanobenzofuro[3,2-e]isoquinolin-7-yl]oxy]-2-hydroxy-4-oxobutanoyl]oxybutanedioic acid ?
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C26H29NO12
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