.alpha.-Crocetin 2,4,6,8,10,12,14-Hexadecaheptaenedioic acid, 2,6,11,15-tetramethyl- 2,4,6,8,10,12,14-Hexadecaheptaenedioic acid, 2,6,11,15-tetramethyl-, (all-E)- 27876-94-4 8,8'-Diapo-.psi.,.psi.-carotenedioic acid 8,8'-Diapocarotenedioic acid CROCETIN NSC407300 trans-Crocetin