IUPAC: 4-amino-N'-{13-oxa-10,12,14,16-tetraazatetracyclo[7.7.0.0^{2,7}.0^{11,15}]hexadeca-1(16),2,4,6,9,11,14-heptaen-8-ylidene}-1,2,5-oxadiazole-3-carbohydrazide
IUPAC: 4-amino-N'-{13-oxa-10,12,14,16-tetraazatetracyclo[7.7.0.0^{2,7}.0^{11,15}]hexadeca-1(16),2,4,6,9,11,14-heptaen-8-ylidene}-1,2,5-oxadiazole-3-carbohydrazide