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What is the molecular formula of the compound with this IUPAC name (1R,4E,6S,7S,11R,17S)-4-ethylidene-7-hydroxy-6,7-dimethyl-2,9-dioxa-14-azatricyclo[9.5.1.014,17]heptadecane-3,8-dione ?
user
C18H27NO5
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