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Monosaccharide combinations that can lead to ambiguous tandem MS assignments
| Saccharide 1 | Mass (Da) | Saccharide 2 | Mass (Da) | Error (Da) |
|---|---|---|---|---|
| NeuAc | 291.0954 | Fuc2 | 292.115 | 1.02 |
| NeuAc, NH3 (adduct) | 308.121 | Hex, Fuc | 308.110 | 0.011 |
| HexNAc2, SO3 (substitution) | 486.115 | Hex3 | 486.158 | 0.0429 |
| HexNAc2, Fuc, NeuAc2 | 1134.407 | Hex7 | 1134.369 | 0.037 |
| NeuAc, Hex | 453.148 | NeuGc, Fuc | 453.148 | 0.0 |
