Multistage Fragmentation of Ion Trap Mass Spectrometry System and Pseudo-MS³ of Triple Quadrupole Mass Spectrometry Characterize Certain (E)-3-(Dimethylamino)-1-arylprop-2-en-1-ones: A Comparative Study

Figure 2

(a) ESI mass spectrum of compound 4f [M+H]⁺ ion (m/z 254.10). (b) MS² spectrum of m/z 254.10. (c) In-source fragmentation of compound 4f. (d) MS² spectrum of m/z 183.10. (e) MS² spectrum of m/z 155.10. (f) MS² spectrum of m/z 98.10.

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