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What is the molecular formula of the molecule (1R,6S,9S,13S)-16-N-(4-aminobutyl)-9,13-dimethyl-6-N-[(2S)-2-methylbutyl]-5-oxapentacyclo[10.8.0.02,9.04,8.013,18]icosane-6,16-diamine;ethane ?
user
C32H61N3O
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