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system
Name the molecular formula for the molecule established as (8R,9S,13S,14S,15R,16R,17R)-13-methyl-3-phenylmethoxy-6,7,8,9,11,12,14,15,16,17-decahydrocyclopenta[a]phenanthrene-15,16,17-triol using the IUPAC nomenclature.
user
C25H30O4
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