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What is the molecular formula of the compound with this IUPAC name 2,2,2-trihydroxy-1-[(8R,9S,10R,13S,14S,17R)-17-hydroxy-10,13-dimethyl-3,6,7,8,9,11,12,14,15,16-decahydrocyclopenta[a]phenanthren-17-yl]ethanone ?
user
C21H30O5
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