| # | Metabolite | ID | PubChem CID | HMDB ID | KEGG ID | ChEBI ID | Molecular formula |
|---|---|---|---|---|---|---|---|
| 101 | Guanosine | 77 | 135398635 | HMDB0000133 | N/A | N/A | C10H13N5O5 |
| 102 | Hercynine | 141 | 5459798 | HMDB0029422 | N/A | N/A | C9H15N3O2 |
| 103 | Hippuric acid | 147 | 464 | HMDB0000714 | N/A | N/A | C9H9NO3 |
| 104 | Histidine | 52 | 6274 | HMDB0000177 | N/A | N/A | C6H9N3O2 |
| 105 | Hypotaurine | 89 | 107812 | HMDB0000965 | N/A | N/A | C2H7NO2S |
| 106 | Hypoxanthine | 78 | 135398638 | HMDB0000157 | N/A | N/A | C5H4N4O |
| 107 | Imidazole | 149 | 795 | HMDB0001525 | N/A | N/A | C3H4N2 |
| 108 | IMP | 54 | 135398640 | HMDB0000175 | N/A | N/A | C10H13N4O8P |
| 109 | Inosine | 55 | 135398641 | HMDB0000195 | N/A | N/A | C10H12N4O5 |
| 110 | Isobutyric acid | 18 | 6590 | HMDB0001873 | C02632 | 16135 | C4H8O2 |