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What is the molecular formula of the molecule identified by ethyl (3R)-1-[[(3R,3aR,8aS,9aS)-5,8a-dimethyl-2-oxo-3,3a,4,6,7,8,9,9a-octahydrobenzo[f][1]benzofuran-3-yl]methyl]piperidine-3-carboxylate ?
user
C23H35NO4
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