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system
Name the molecular formula for the molecule established as (8R,9R,10R,13S,14R,17S)-17-hydroxy-17-(2-hydroxyacetyl)-10,13-dimethyl-1,2,6,7,8,9,12,14,15,16-decahydrocyclopenta[a]phenanthrene-3,11-dione using the IUPAC nomenclature.
user
C21H28O5
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