"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"
"LMFA01030925"	"but-2-enoic acid"	"but-2-enoic acid"	"C4H6O2"	"86.03678"	"Fatty Acyls [FA]"	"Fatty Acids and Conjugates [FA01]"	"Unsaturated fatty acids [FA0103]"	"-"	"-"	"LDHQCZJRKDOVOX-UHFFFAOYSA-N"	"InChI=1S/C4H6O2/c1-2-3-4(5)6/h2-3H,1H3,(H,5,6)"	"OC(C=CC)=O"	"-"	"-"	"17217"	"FA 4:1"	"19499"	"-"	"-"	"-"	"-"	"-"	"-"	"-"	"-"	"-"