(1R,1'R)-4,4'-((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-enol)

for the following products Zeaxanthin and (1R,1'R)-4,4'-((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-enol)