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| Sequence | name of compound | Molecular weight/Da | Lon mode | The molecular weight of parent ion/Da | molecular weight of ion/Da |
|---|---|---|---|---|---|
| 1 | Trigonelline | 137.048 | + | 138.05 | 94.07 |
| 2 | Stachydrine | 143.095 | + | 144.1 | 84.1 |
| 3 | Betaine | 117.079 | + | 118.09 | 59 |
| 4 | O-phosphocholine | 184.073 | + | 184 | 125 |
Notes.
“+” Indicates positive ion mode.
