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What is the molecular formula of the compound with this IUPAC name (3S,8R,10R,13S,17R)-3-hydroxy-10,13-dimethylspiro[1,2,3,6,7,8,9,11,12,14,15,16-dodecahydrocyclopenta[a]phenanthrene-17,5'-oxolane]-2'-one ?
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C22H32O3
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