| # | Metabolite | ID | PubChem CID | HMDB ID | KEGG ID | ChEBI ID | Molecular formula |
|---|---|---|---|---|---|---|---|
| 121 | Lysine | 61 | 5962 | HMDB0000182 | N/A | N/A | C6H14N2O2 |
| 122 | Maleic acid | 162 | 444266 | HMDB0000176 | N/A | N/A | C4H4O4 |
| 123 | Malic acid | 128 | 160434 | HMDB0000156 | N/A | N/A | C4H4O5-2 |
| 124 | Malonic acid | 132 | 867 | HMDB0000691 | N/A | N/A | C3H4O4 |
| 125 | Maltitol | 140 | 493591 | HMDB0002928 | N/A | N/A | C12H24O11 |
| 126 | Maltose | 117 | 6255 | HMDB0000163 | N/A | N/A | C12H22O11 |
| 127 | Mannose | 120 | 18950 | HMDB0000169 | N/A | N/A | C6H12O6 |
| 128 | Met-3-OHKG | 175 | N/A | N/A | N/A | N/A | C20H28N2O11S |
| 129 | Methionine | 24 | 6137 | HMDB0000696 | C00073 | 16643 | C5H11NO2S |
| 130 | Methionine sulfone | 177 | 445282 | HMDB0062174 | N/A | 21363 | C5H11NO4S |