xanthophyll Eschscholtzxanthin 566.412 566.857 C40H54O2 CAS:472-73-1 CC(\C=C\C=C\C(C)=C\C=C\C(C)=C\C=C1\C(C)=C[C@@H](O)CC1(C)C)=C/C=C/C(C)=C/C=C1/C(C)=C[C@@H](O)CC1(C)C CHEBI:4851 DHHWDJUUTBWANN-WUEUEEBUSA-N Eschscholtzxanthin 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/h11-26,35-36,41-42H,27-28H2,1-10H3/b15-11+,16-12+,19-13+,20-14+,29-17+,30-18+,31-21+,32-22+,37-23-,38-24-/t35-,36-/m1/s1 KEGG:C08593 KNApSAcK:C00003771 chebi_ontology