IUPAC:1-hydroxy-21-methyl-3,13,21-triazapentacyclo[11.8.0.0^{2,10}.0^{4,9}.0^{15,20}]henicosa-2(10),4,6,8,15,17,19-heptaen-14-one
IUPAC:1-hydroxy-21-methyl-3,13,21-triazapentacyclo[11.8.0.0^{2,10}.0^{4,9}.0^{15,20}]henicosa-2(10),4,6,8,15,17,19-heptaen-14-one