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system
What is the molecular formula of the molecule (8R,9S,10R,13S,14S,17S)-6-ethylidene-7,10,13-trimethyl-17-(oxan-2-yloxy)-8,9,11,12,14,15,16,17-octahydro-7H-cyclopenta[a]phenanthren-3-one ?
user
C27H38O3
assistant