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What is the molecular formula of the molecule (3aR,6aS)-1-[(2Z)-2-ethylidene-3-methoxy-4-methylpent-3-enyl]-3-(hydroxymethyl)-3,3a,4,6a-tetrahydrofuro[3,4-c][1,2]oxazol-6-one;ethane ?
user
C19H35NO5
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