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Mass transition and mass increase compared with non-labeled canonical nucleosides from “heavy” minimal medium with 15N2-uracil and 13C6 glucose label.
| Canonical | [M+H]+ / (mass increase) | [B+2H]+ / (mass increase) |
|---|---|---|
| Cytidine | 251 / (+7) | 114 / (+2) |
| Uridine | 252 / (+7) | 115 / (+2) |
| Guanosine | 290 / (+6) | 153 / (+1) |
| Adenosine | 274 / (+6) | 137 / (+1) |
