IUPAC:methyl (1R,15S,16S,20S)-16-methyl-17-oxa-3,13-diazapentacyclo[11.8.0.0^{2,10}.0^{4,9}.0^{15,20}]henicosa-2(10),4,6,8,18-pentaene-19-carboxylate
IUPAC:methyl (1R,15S,16S,20S)-16-methyl-17-oxa-3,13-diazapentacyclo[11.8.0.0^{2,10}.0^{4,9}.0^{15,20}]henicosa-2(10),4,6,8,18-pentaene-19-carboxylate