IUPAC:4-{8,10-dioxo-9,19-diazapentacyclo[10.7.0.0^{2,6}.0^{7,11}.0^{13,18}]nonadeca-1(12),2(6),7(11),13(18),14,16-hexaen-15-yl}-4-oxobutanoic acid
IUPAC:4-{8,10-dioxo-9,19-diazapentacyclo[10.7.0.0^{2,6}.0^{7,11}.0^{13,18}]nonadeca-1(12),2(6),7(11),13(18),14,16-hexaen-15-yl}-4-oxobutanoic acid