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What is the molecular formula of the molecule identified by [(12R,13R)-16,17-dimethoxy-5,7-dioxa-1-azoniapentacyclo[11.8.0.03,11.04,8.014,19]henicosa-3(11),4(8),9,14,16,18-hexaen-12-yl]methanol ?
user
C21H24NO5+
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