IUPAC:11,17-dioxa-2,4,5,13,23-pentaazapentacyclo[17.3.1.1^{3,6}.1^{7,10}.1^{14,16}]hexacosa-1(23),2,6(26),19,21-pentaen-12-one
IUPAC:11,17-dioxa-2,4,5,13,23-pentaazapentacyclo[17.3.1.1^{3,6}.1^{7,10}.1^{14,16}]hexacosa-1(23),2,6(26),19,21-pentaen-12-one