carotenone carotenoid ether 2-oxospirilloxanthin (3E,3'E)-1,1'-dimethoxy-3,3',4,4'-tetradehydro-1,1',2,2'-tetrahydro-psi,psi-carotene-2-one 2-ketospirilloxanthin 2-oxospirilloxanthin 610.439 610.90810 A carotenoid ether that is (3E,3'E)-1,1'-dihydroxy-3,3',4,4'-tetradehydro-1,1',2,2'-tetrahydro-psi,psi-carotene-2-one in which both hydroxyl hydrogens are substituted by methyl groups. AUIMFBMJZYMMRO-MRLRKSOKSA-N C42H58O3 CHEBI:64792 COC(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=C\C=C(C)\C=C\C(=O)C(C)(C)OC InChI=1S/C42H58O3/c1-34(22-15-24-36(3)26-17-28-38(5)30-19-33-41(7,8)44-11)20-13-14-21-35(2)23-16-25-37(4)27-18-29-39(6)31-32-40(43)42(9,10)45-12/h13-32H,33H2,1-12H3/b14-13+,22-15+,23-16+,26-17+,27-18+,30-19+,32-31+,34-20+,35-21+,36-24+,37-25+,38-28+,39-29+ KEGG:C15884 KNApSAcK:C00023013 Ketospirilloxanthin LIPID_MAPS_instance:LMPR01070153 MetaCyc:CPD-12616 chebi_ontology