"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"
"LMST02030150"	"pregn-4-en-3-one"	"pregn-4-en-3-one"	"C21H32O"	"300.245316"	"Sterol Lipids [ST]"	"Steroids [ST02]"	"C21 steroids (gluco/mineralocorticoids, progestogins) and derivatives [ST0203]"	"-"	"-"	"AYGFEWYXKDFVIQ-NWSAAYAGSA-N"	"InChI=1S/C21H32O/c1-4-14-6-8-18-17-7-5-15-13-16(22)9-11-21(15,3)19(17)10-12-20(14,18)2/h13-14,17-19H,4-12H2,1-3H3/t14-,17-,18-,19-,20+,21-/m0/s1"	"C1CC2[C@@](C)([C@@]3([H])CC[C@@]4(C)[C@@]([H])(CC[C@@]4(CC)[H])[C@]13[H])CCC(=O)C=2"	"-"	"-"	"36725"	"ST 21:2;O"	"10902673"	"-"	"-"	"-"	"-"	"-"	"-"	"-"	"-"	"-"