IUPAC:methyl (1R,10S,12R,13E)-13-ethylidene-8,15-diazapentacyclo[10.5.1.0^{1,9}.0^{2,7}.0^{10,15}]octadeca-2,4,6,8-tetraene-18-carboxylate
IUPAC:methyl (1R,10S,12R,13E)-13-ethylidene-8,15-diazapentacyclo[10.5.1.0^{1,9}.0^{2,7}.0^{10,15}]octadeca-2,4,6,8-tetraene-18-carboxylate