IUPAC:methyl (1R,12S,13R,15S,20R)-12-ethyl-14-oxa-8,17-diazahexacyclo[10.7.1.0^{1,9}.0^{2,7}.0^{13,15}.0^{17,20}]icosa-2(7),3,5,9-tetraene-10-carboxylate
IUPAC:methyl (1R,12S,13R,15S,20R)-12-ethyl-14-oxa-8,17-diazahexacyclo[10.7.1.0^{1,9}.0^{2,7}.0^{13,15}.0^{17,20}]icosa-2(7),3,5,9-tetraene-10-carboxylate