IUPAC:(12'S)-11'-methyl-3',5'-dioxa-11'-azaspiro[cyclohexane-1,14'-tetracyclo[6.6.1.0^{2,6}.0^{12,15}]pentadecane]-1'(15'),2,2'(6'),5,7'-pentaen-4-one
IUPAC:(12'S)-11'-methyl-3',5'-dioxa-11'-azaspiro[cyclohexane-1,14'-tetracyclo[6.6.1.0^{2,6}.0^{12,15}]pentadecane]-1'(15'),2,2'(6'),5,7'-pentaen-4-one