IUPAC:(2S,3R)-9'-methyl-3-phenyl-1',9',12'-triazaspiro[oxirane-2,10'-tetracyclo[9.8.0.0^{2,7}.0^{13,18}]nonadecane]-2'(7'),3',5',11',13',15',17'-heptaene-8',19'-dione
IUPAC:(2S,3R)-9'-methyl-3-phenyl-1',9',12'-triazaspiro[oxirane-2,10'-tetracyclo[9.8.0.0^{2,7}.0^{13,18}]nonadecane]-2'(7'),3',5',11',13',15',17'-heptaene-8',19'-dione