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Selected reaction monitoring conditions
| Compound | Parent massa (Da) | Fragment (m/z) |
|---|---|---|
| Lysine | 146 | 130 |
| 13C156N2-Lysine | 154 | 137 |
| N ε-Carboxymethyl-lysine | 204 | 84, 130 |
| Lanthionine | 208 | 120 |
| N ε-Carboxyethyl-lysine | 218 | 84, 130 |
| Lysinoalanine | 233 | 128, 145 |
| Furosine | 255 | 84, 130 |
aParent mass is defined as the molecular mass of the compounds before ionization
