IUPAC:16'-(ethylsulfanyl)-12'-(2-phenylethyl)-12',14',15',17'-tetraazaspiro[cyclohexane-1,9'-tetracyclo[8.7.0.0^{2,7}.0^{13,17}]heptadecane]-1'(10'),2'(7'),3',5',13',15'-hexaen-11'-one
IUPAC:16'-(ethylsulfanyl)-12'-(2-phenylethyl)-12',14',15',17'-tetraazaspiro[cyclohexane-1,9'-tetracyclo[8.7.0.0^{2,7}.0^{13,17}]heptadecane]-1'(10'),2'(7'),3',5',13',15'-hexaen-11'-one