CIS-NORBIXIN

(9Z)-6,6'-Diapo-ψ,ψ-carotene-6,6'-dioic acid

(2E,4Z,6E,8E,10E,12E,14E,16E,18E)-4,8,13,17-Tetramethyl-2,4,6,8,10,12,14,16,18-icosanonaenedioic acid