2-[3,7-Dimethyl-9-(2,6,6-trimethyl-cyclohex-1-enyl)-nona-2,4,6,8-tetraenylidene]-[3]ferrocenophane-1,3-dione
2-[3,7-dimethyl-9-(2,6,6-trimethyl-cyclohex-1-enyl)-nona-2,4,6,8-tetraenylidene]-[3]ferrocenophane-1,3-dione