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What is the molecular formula of the molecule identified by methyl (2R,4R)-4-[(3R,5S,7R,10S,13R)-3,7-dihydroxy-10,13-dimethyl-2,3,4,5,6,7,8,9,11,12,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-yl]-2-methylpentanoate ?
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C26H44O4
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