IUPAC: 8-[2-(1H-1,2,3,4-tetrazol-5-yl)ethyl]-13-oxa-8,10,12,14,16-pentaazatetracyclo[7.7.0.0^{2,7}.0^{11,15}]hexadeca-1(16),2(7),3,5,9,11,14-heptaene
IUPAC: 8-[2-(1H-1,2,3,4-tetrazol-5-yl)ethyl]-13-oxa-8,10,12,14,16-pentaazatetracyclo[7.7.0.0^{2,7}.0^{11,15}]hexadeca-1(16),2(7),3,5,9,11,14-heptaene