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What is the molecular formula of the compound with this IUPAC name (5S,8S,9S,10S,13S,14S)-10,13-dimethyl-2,3,4,5,6,7,8,9,11,12,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthrene-3-carboxylic acid ?
user
C20H32O2
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