IUPAC: 5,9,17,17-tetramethyl-3,10-dioxa-8-azapentacyclo[10.8.0.0^{2,6}.0^{7,11}.0^{13,18}]icosa-1,4,6,8,11,13(18),19-heptaene
IUPAC: 5,9,17,17-tetramethyl-3,10-dioxa-8-azapentacyclo[10.8.0.0^{2,6}.0^{7,11}.0^{13,18}]icosa-1,4,6,8,11,13(18),19-heptaene