IUPAC:methyl (1S,10R,12S,19S)-12-ethenyl-9,16-dioxo-8,16lambda5-diazapentacyclo[10.6.1.0^{1,10}.0^{2,7}.0^{16,19}]nonadeca-2(7),3,5,13-tetraene-10-carboxylate
IUPAC:methyl (1S,10R,12S,19S)-12-ethenyl-9,16-dioxo-8,16lambda5-diazapentacyclo[10.6.1.0^{1,10}.0^{2,7}.0^{16,19}]nonadeca-2(7),3,5,13-tetraene-10-carboxylate