Groups Number of Compounds detected Groups Number of Compounds detected
Carboxylic acids and derivatives 135 Alcohols and polyols 2
Fatty acyls 77 Benzopyrans 2
Prenol lipids 57 Indanes 2
Flavonoids 54 Naphthofurans 2
Glycerophospholipids 31 Tetrapyrroles and derivatives 2
Benzene and substituted derivatives 23 Unsaturated hydrocarbons 2
Organooxygen compounds 19 Coumarins and derivatives 2
Glycerolipids 18 Pyrenes 2
Purine nucleosides 14 Oxanes 1
Cinnamic acids and derivatives 11 Oxepanes 1
Pyrimidine nucleosides 8 Isobenzofurans 1
Sterol lipids 8 Macrolides and analogues 1
Indoles and derivatives 7 Morphinans 1
Hydroxy acids and derivatives 6 Nucleosides, nucleotides, and analogues 1
Phenols 6 Phenylpropanoic acids 1
Organonitrogen compounds 5 Saccharolipids 1
Isoflavonoids 5 Tannins 1
Naphthalenes 4 2-arylbenzofuran flavonoids 1
Diazines 4 5’-deoxyribonucleosides 1
Quinolines and derivatives 4 Amines 1
Sphingolipids 4 Azoles 1
Anthracenes 3 Benzodioxoles 1
Keto acids and derivatives 3 Benzothiazoles 1
Lactones 3 Cinnamaldehydes 1
Furans 3 Dioxepanes 1
Piperidines 3 Ethers 1
Imidazopyrimidines 3 Peptidomimetics 1
Pyridines and derivatives 3 Tetrahydroisoquinolines 1
Pteridines and derivatives 3 Null/unknown 84