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What is the molecular formula of the compound with this IUPAC name 2-[(8S,9S,10R,11S,13S,14S,16R,17S)-11,17-dihydroxy-17-(2-hydroxyacetyl)-10,13-dimethyl-3,6,7,8,9,11,12,14,15,16-decahydrocyclopenta[a]phenanthren-16-yl]-3-oxobutanoic acid ?
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C25H34O7
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