"LM_ID"	"COMMON_NAME"	"SYSTEMATIC_NAME"	"FORMULA"	"MASS"	"CATEGORY"	"MAIN_CLASS"	"SUB_CLASS"	"CLASS_LEVEL4"	"SYNONYMS"	"INCHI_KEY"	"INCHI"	"SMILES"	"KEGG_ID"	"HMDBID"	"CHEBI_ID"	"ABBREVIATION"	"PUBCHEM_COMPOUND_ID"	"LIPIDBANK_ID"	"SWISSLIPIDS_ID"	"CAYMAN_ID"	"ALT_CATEGORIES"	"ALT_MAIN_CLASSES"	"ALT_SUB_CLASSES"	"ALT_CLASS_LEVEL4S"	"TAXONOMY"	"CITATION"
"LMPR01090064"	"4-Oxoretinaldehyde"	"4-oxo-15-apo-beta-caroten-15-al"	"C20H26O2"	"298.19328"	"Prenol Lipids [PR]"	"Isoprenoids [PR01]"	"Retinoids [PR0109]"	"-"	"4-Ketoretinal; all-trans-4-Ketoretinal; 4-Oxoretinal"	"PLILDISEFZJECC-RMWYGNQTSA-N"	"InChI=1S/C20H26O2/c1-15(7-6-8-16(2)12-14-21)9-10-18-17(3)19(22)11-13-20(18,4)5/h6-10,12,14H,11,13H2,1-5H3/b8-6+,10-9+,15-7+,16-12+"	"C1C(C)(C)C(/C=C/C(/C)=C/C=C/C(/C)=C/C=O)=C(C)C(=O)C1"	"-"	"-"	"139347"	"-"	"6151363"	"-"	"-"	"-"	"-"	"-"	"-"	"-"	"8355"	"8643496"