IUPAC: 10,11,12,13,14,16-hexaazatetracyclo[7.7.0.0^{2,7}.0^{11,15}]hexadeca-1(16),2,4,6,9,12,14-heptaen-8-one; 10,12,13,14,15,16-hexaazatetracyclo[7.7.0.0^{2,7}.0^{11,15}]hexadeca-1(16),2,4,6,9,11,13-heptaen-8-one
IUPAC: 10,11,12,13,14,16-hexaazatetracyclo[7.7.0.0^{2,7}.0^{11,15}]hexadeca-1(16),2,4,6,9,12,14-heptaen-8-one; 10,12,13,14,15,16-hexaazatetracyclo[7.7.0.0^{2,7}.0^{11,15}]hexadeca-1(16),2,4,6,9,11,13-heptaen-8-one