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What is the molecular formula of the compound with this IUPAC name 7,9,11-trimethyl-14-phenyl-9,14-diazapentacyclo[11.7.0.02,10.03,8.015,20]icosa-1(13),2(10),3,5,7,11,15,17,19-nonaene ?
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C27H22N2
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