Formation of Carbon Dioxide Attached Fragment Ions in the Fragmentation of Deprotonated Tolfenpyrad and Tebufenpyrad

The in-source collision-induced dissociation (CID) and MS/MS mass spectra of deprotonated tolfenpyrad and tebufenpyrad both showed an unusual fragment ion at m/z 187, but its fragmentation pattern and structure could not be explained by logical neutral losses. Accurate mass measurement indicated tha...

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Veröffentlicht in:	Journal of the American Society for Mass Spectrometry 2019-10, Vol.30 (10), p.2060-2067
Hauptverfasser:	Chai, Yunfeng, Chen, Hongping, Liu, Xin, Lu, Chengyin
Format:	Artikel
Sprache:	eng
Schlagworte:	Analytical Chemistry ATOMIC AND MOLECULAR PHYSICS Bioinformatics Biotechnology CARBON DIOXIDE Chemistry Chemistry and Materials Science DISSOCIATION FRAGMENTATION FREE ENTHALPY Functional groups Gibbs free energy Ions MASS DIFFERENCE MASS SPECTRA Mass spectrometry MASS SPECTROSCOPY MOLECULES Organic Chemistry PESTICIDES Proteomics Pyrazole PYRAZOLES Qualitative analysis Research Article
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