xanthophyll R.g.-Keto III 628.449 628.92340 C42H60O4 CHEBI:80415 COC(C)(C)CCC(=O)C(\C)=C\C=C\C(C)=C\C=C\C(C)=C\C=C\C=C(C)\C=C\C=C(C)\C=C\C=C(/C)C(=O)CCC(C)(C)OC InChI=1S/C42H60O4/c1-33(21-15-23-35(3)25-17-27-37(5)39(43)29-31-41(7,8)45-11)19-13-14-20-34(2)22-16-24-36(4)26-18-28-38(6)40(44)30-32-42(9,10)46-12/h13-28H,29-32H2,1-12H3/b14-13+,21-15+,22-16+,25-17+,26-18+,33-19+,34-20+,35-23+,36-24+,37-27+,38-28+ KEGG:C16278 KNApSAcK:C00023065 YYCQFETXOGJFMD-IDPZBRFSSA-N chebi_ontology