IUPAC:(1'R,2'S,3S,5'S,8'R,11'S)-2'-ethenyl-1-methoxy-4'-methyl-1,2-dihydro-9'-oxa-4'-azaspiro[indole-3,7'-tetracyclo[6.3.1.0^{2,6}.0^{5,11}]dodecan]-2-one
IUPAC:(1'R,2'S,3S,5'S,8'R,11'S)-2'-ethenyl-1-methoxy-4'-methyl-1,2-dihydro-9'-oxa-4'-azaspiro[indole-3,7'-tetracyclo[6.3.1.0^{2,6}.0^{5,11}]dodecan]-2-one