. . . "Rhodoxanthin" . . "rhodoxanthin" . . . . . "(4E)-3,5,5-Trimethyl-4-[(2E,4E,6E,8E,10E,12E,14E,16E,18E)-3,7,12,16-Tetramethyl-18-(2,6,6-trimethyl-4-oxo-1-cyclohex-2-enylidene)octadeca-2,4,6,8,10,12,14,16-octaenylidene]-1-cyclohex-2-enone)" . . . . . . . . . . "\u2022E161f" . "Rhodoxanthin" . "\u20224',5'-Didehydro-retro-\u03B2-carotene-3,3'-dione" .