| MIAs | Monoterpene indole alkaloids |
| LC-HRMS | Liquid chromatography coupled with high-resolution mass spectrometry |
| UHPLC-ESI-QTOF-MSE | Ultrahigh-performance liquid chromatography electrospray ionization quadrupole time-of-flight mass spectrometry |
| MCEs/MS2 | MS2 spectra under multiple collision energies |
| DPIs | Diagnostic product ions |
| CCs | Characteristic cleavages |
| NLs | Neutral losses |
| RLs | Radical losses |
| FBMN | Feature-based molecular networking |
| BPs | Biosynthetic pathways |
| ALAS | Alkaloids from the leaves of Alstonia scholaris |
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