Input m/z Matched m/z Delta Name Systematic name Formula Ion Category Main class Sub class 255.2 255.1955 .0045 Hydroxypentadecadienoic acid C15H27O3 [M+H]+ Fatty Acyls Fatty acids Hydroxy FA 255.2 255.2319 .0319 2-Hexyl-2-decenoic acid 2-hexyl-2-decenoic acid C16H31O2 [M+H]+ Fatty Acyls Fatty acids Branched FA 255.2 255.2319 .0319 7-Palmitoleic acid 7-hexadecenoic acid C16H31O2 [M+H]+ Fatty Acyls Fatty acids Unsaturated FA 255.2 255.2319 .0319 7Z-Hexadecenoic acid 7Z-hexadecenoic acid C16H31O2 [M+H]+ Fatty Acyls Fatty acids Unsaturated FA 255.2 255.2319 .0319 Gaidic acid 2-hexadecenoic acid C16H31O2 [M+H]+ Fatty Acyls Fatty acids Unsaturated FA 255.2 255.2319 .0319 Hexadecenoic acid C16H31O2 [M+H]+ Fatty Acyls Fatty acids Unsaturated FA 255.2 255.2319 .0319 Palmitelaidic acid 9E-hexadecenoic acid C16H31O2 [M+H]+ Fatty Acyls Fatty acids Unsaturated FA 255.2 255.2319 .0319 Palmitoleic acid 9Z-hexadecenoic acid C16H31O2 [M+H]+ Fatty Acyls Fatty acids Unsaturated FA 255.2 255.2319 .0319 Sapienic acid 6Z-hexadecenoic acid C16H31O2 [M+H]+ Fatty Acyls Fatty acids Unsaturated FA 255.2 255.2319 .0319 (Z)-13-Hexadecenoic acid 13Z-hexadecenoic acid C16H31O2 [M+H]+ Fatty Acyls Fatty acids Unsaturated FA 255.2 255.1604 .0396 Ferimzone 4,6-dimethyl-N-[(Z)-1-(o-tolyl)ethylideneamino]pyrimidin-2-amine C15H19N4 [M+H]+ Benzenoids Benzenes Toluenes 255.2 255.1492 .0508 Amphenone B 3,3-bis(4-aminophenyl)butan-2-one C16H19N2O [M+H]+ Benzenoids Benzenes Diphenylmethanes 255.2 255.1452 .0548 His-Val L-Histidyl-L-valine C11H19N4O3 [M+H]+ Organic acids Amino acids and peptides Dipeptides 255.2 255.1452 .0548 Val-His L-Valyl-L-histidine C11H19N4O3 [M+H]+ Organic acids Amino acids and peptides Dipeptides 255.2 255.1340 .0660 Midodrine 2-amino-N-[2-(2,5-dimethoxyphenyl)-2-hydroxyethyl]acetamide C12H19N2O4 [M+H]+ Organic acids Amino acids and peptides Amino acid amides 255.2 255.1227 .0773 Methyl 3-(2,3-dihydroxy-3-methylbutyl)-4-hydroxybenzoate methyl 3-(2,3-dihydroxy-3-methylbutyl)-4-hydroxybenzoate C13H19O5 [M+H]+ Benzenoids Benzoic acids Benzoic acid esters 255.2 255.1162 .0838 Thiamylal 5-(pentan-2-yl)-5-(prop-2-en-1-yl)-2-sulfanylidene-1,3-diazinane-4,6-dione C12H19N2O2S [M+H]+ Nucleic acids Pyrimidines Pyrimidines 255.2 255.1128 .0872 Licarbazepine 5-hydroxy-5,6-dihydrobenzo[b][1]benzazepine-11-carboxamide C15H15N2O2 [M+H]+ Organoheterocyclic compounds Dibenzazepines Dibenzazepines 255.2 255.1088 .0912 Dyphylline 7-(2,3-dihydroxypropyl)-1,3-dimethyl-2,3,6,7-tetrahydro-1H-purine-2,6-dione C10H15N4O4 [M+H]+ Nucleic acids Purines Xanthines 255.2 255.1075 .0925 Galactosylglycerol (2R,3R,4S,5R,6R)-2-(2,3-dihydroxypropoxy)-6-(hydroxymethyl)oxane-3,4,5-triol C9H19O8 [M+H]+ Carbohydrates Glycosyl compounds Glycosylglycerols 255.2 255.1074 .0926 Glucosylglycerol 1-O-(D-glucosyl)glycerol C9H19O8 [M+H]+ Carbohydrates Glycosyl compounds Glycosylglycerols 255.2 255.1016 .0984 Chalepensin 6-(1,1-dimethylallyl)furo[3,2-g]chromen-7-one C16H15O3 [M+H]+ Polyketides Flavonoids Furanocoumarins 255.2 255.1016 .0984 Ketoprofen 2-(3-benzoylphenyl)propanoic acid C16H15O3 [M+H]+ Benzenoids Benzenes Benzophenones 255.2 255.0976 .1024 2-Hydroxyfelbamate carbamic acid (3-carbamoyloxy-2-hydroxy-2-phenyl-propyl) ester C11H15N2O5 [M+H]+ Benzenoids Benzenes Benzyl alcohols 255.2 255.0976 .1024 p-Hydroxyfelbamate carbamic acid [3-carbamoyloxy-2-(4-hydroxyphenyl)propyl] ester C11H15N2O5 [M+H]+ Benzenoids Phenols Phenols 255.2 255.3046 .1046 Octadecane Octadecane C18H39 [M+H]+ Fatty Acyls Hydrocarbons Hydrocarbons 255.2 255.0853 .1147 Arginine phosphate N(omega)-phosphono-L-arginine C6H16N4O5P [M+H]+ Organic acids Amino acids and peptides Amino acids 255.2 255.0652 .1348 7,4'-Dihydroxyflavone 7,4'-Dihydroxyflavone C15H11O4 [M+H]+ Polyketides Flavonoids Flavones and Flavonols 255.2 255.0652 .1348 Anhydroglycinol 3,9-Dihydroxypterocarpene C15H11O4 [M+H]+ Polyketides Flavonoids Pterocarpans 255.2 255.0652 .1348 Chrysin 5,7-Dihydroxyflavone C15H11O4 [M+H]+ Polyketides Flavonoids Flavones and Flavonols 255.2 255.0652 .1348 Daidzein C15H11O4 [M+H]+ Polyketides Flavonoids Isoflavonoids 255.2 255.0652 .1348 (Z)-4',6-Dihydroxyaurone (2Z)-6-hydroxy-2-[(4-hydroxyphenyl)methylidene]-2,3-dihydro-1-benzofuran-3-one C15H11O4 [M+H]+ Polyketides Flavonoids Aurone flavonoids 255.2 255.0645 .1355 5-L-Glutamyl-taurine (2S)-2-amino-4-[(2-sulfoethyl)carbamoyl]butanoic acid C7H15N2O6S [M+H]+ Organic acids Amino acids and peptides Amino acids 255.2 255.0264 .1736 3-Phosphoshikimic acid rel-(3R,4S,5R)-4,5-dihydroxy-3-(phosphonooxy)cyclohex-1-ene-1-carboxylic acid C7H12O8P [M+H]+ Organic oxygen compounds Cyclic alcohols Cyclitols