| # | Metabolite | ID | PubChem CID | HMDB ID | KEGG ID | ChEBI ID | Molecular formula |
|---|---|---|---|---|---|---|---|
| 1 | 1-Methylhistidine | 127 | 92105 | HMDB0000001 | N/A | 50599 | C7H11N3O2 |
| 2 | 1-methyluric acid | 155 | 69726 | HMDB0003099 | N/A | N/A | C6H6N4O3 |
| 3 | 2,3-Butanediol | 109 | 262 | HMDB0003156 | N/A | 62064 | C4H10O2 |
| 4 | 2-Aminoadipic acid | 130 | 469 | HMDB0302754 | C00956 | 37024 | C6H11NO4 |
| 5 | 2-Aminobutyric acid | 15 | 6657 | HMDB0000452 | N/A | N/A | C4H9NO2 |
| 6 | 2-Aminoisobutyric acid | 159 | 6119 | HMDB0001906 | N/A | N/A | C4H9NO2 |
| 7 | 2-Hydroxy-3-methylbutyric acid | 5 | 99823 | HMDB0000407 | N/A | 60645 | C5H10O3 |
| 8 | 2-hydroxy-3-methylvaleric acid | 152 | 10796774 | HMDB0000317 | N/A | 89228 | C6H12O3 |
| 9 | 2-Hydroxybutyric acid | 12 | 11266 | HMDB0000008 | C05984 | 50613 | C4H8O3 |
| 10 | 2-Hydroxyisobutyric acid | 105 | 11671 | HMDB0000729 | N/A | 50129 | C4H8O3 |