. . . . . . . . . "(1R,1\u2032R)-4,4\u2032-[(1E,3E,5E,7E,9E,11E,13E,15E,17E)-3,7,12,16-Tetramethyloctadeca-1,3,5,7,9,11,13,15,17-nonaene-1,18-diyl]bis(3,5,5-trimethylcyclohex-3-en-1-ol)" . . . . . . . . "\u03B2,\u03B2-carotene-3,3\u2032-diol" . . "Zeaxanthin" . . "zeaxanthin" . . . "Zeaxanthin" . .