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What is the molecular formula of the compound with this IUPAC name (1S,8S,11R)-8-(azetidin-1-yl)-13-methoxy-4-phenylmethoxy-6,14-dioxa-5-azoniatetracyclo[9.2.1.01,9.03,7]tetradeca-3(7),4,12-trien-2-one ?
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C22H23N2O5+
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