2,4,4-trimethyl-3-[3,7,12,16-tetramethyl-18-(2,6,6-trimethyl-3-oxo-1-cyclohexenyl)octadeca-1,3,5,7,9,11,13,15,17-nonaenyl]cyclohex-2-en-1-one 2,4,4-trimethyl-3-[(1E,3E,5E,7E,9E,11E,13E,15E,17E)-3,7,12,16-tetramethyl-18-(2,6,6-trimethyl-3-oxo-1-cyclohexenyl)octadeca-1,3,5,7,9,11,13,15,17-nonaenyl]cyclohex-2-en-1-one 2,4,4-trimethyl-3-[3,7,12,16-tetramethyl-18-(2,6,6-trimethyl-3-oxo-1-cyclohexenyl)octadeca-1,3,5,7,9,11,13,15,17-nonaenyl]-1-cyclohex-2-enone 2,4,4-trimethyl-3-[(1E,3E,5E,7E,9E,11E,13E,15E,17E)-3,7,12,16-tetramethyl-18-(2,6,6-trimethyl-3-oxo-1-cyclohexenyl)octadeca-1,3,5,7,9,11,13,15,17-nonaenyl]-1-cyclohex-2-enone 3-[18-(3-keto-2,6,6-trimethyl-1-cyclohexenyl)-3,7,12,16-tetramethyl-octadeca-1,3,5,7,9,11,13,15,17-nonaenyl]-2,4,4-trimethyl-cyclohex-2-en-1-one 3-[(1E,3E,5E,7E,9E,11E,13E,15E,17E)-18-(3-keto-2,6,6-trimethyl-1-cyclohexenyl)-3,7,12,16-tetramethyl-octadeca-1,3,5,7,9,11,13,15,17-nonaenyl]-2,4,4-trimethyl-cyclohex-2-en-1-one 514-78-3 RO-19915 LMPR01070264 NCGC00095896-01 DivK1c_006775 LS-167 .beta.,.beta.-Carotene-4,4'-dione 4,4'-Dioxo-beta-carotene 4-07-00-02680 (Beilstein Handbook Reference) BRN 1898520 C.I. Food Orange 8 CCRIS 3276 CI 40850 Cantaxanthin Cantaxanthine Canthaxanthine Carophyll Red Carotene-4,4'-dione, beta- E 161 G EINECS 208-187-2 Food orange 8 L-Orange 7 NSC 374110 Orobronze Roxanthin Red 10 all-trans,beta-Carotene-4,4'-dione beta,beta-Carotene-4,4'-dione beta,beta-Carotene-4,4'-dione (9CI) beta-CAROTENE-4,4'-DIONE, all-trans- Canthaxanthin (trans) NSC374110 SpecPlus_000679 C08583 Canthaxanthin SPECTRUM1504204 KBio1_001719