carotenone secondary alcohol enone 3-cis-hydroxy-beta,epsilon-caroten-3'-one (3'R,6R,13cis,15cis)-3'-hydroxy-4,5-didehydro-5,6-dihydro-beta,beta-caroten-3-one 550.417 566.412 566.857 C1(C[C@@H](CC(=C1/C=C/C(=C/C=C/C(=C/C=C\C=C(/C=C/C=C(/C=C/[C@@H]2C(C)(CC(C=C2C)=O)C)\C)\C)/C)/C)C)O)(C)C C40H54O2 CAS:143167-27-5 CHEBI:132920 CHEBI:91008 HMDB:HMDB0002890 InChI=1S/C40H54O2/c1-29(17-13-19-31(3)21-23-37-33(5)25-35(41)27-39(37,7)8)15-11-12-16-30(2)18-14-20-32(4)22-24-38-34(6)26-36(42)28-40(38,9)10/h11-25,36-37,42H,26-28H2,1-10H3/b12-11-,17-13+,18-14+,23-21+,24-22+,29-15-,30-16+,31-19+,32-20+/t36-,37+/m1/s1 OABQIJAIRYEICK-UEJMDPRYSA-N chebi_ontology