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What is the molecular formula of the compound with this IUPAC name 4,6,10,12,16,18,19,20,21-nonaza-2,8,14-triazoniatetracyclo[13.3.1.13,7.19,13]henicosa-1(19),3(21),4,6,9(20),10,12,15,17-nonaene ?
user
C9H9N12+3
assistant