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 3

(a) ESI mass spectrum of compound 4c [M+H]⁺ ion (m/z 206.20). (b) MS² spectrum of m/z 206.20. (c) In-source fragmentation of compound 4c. (d) MS² spectrum of m/z 135.10. (e) MS² spectrum of m/z 107.10. (f) MS² spectrum of m/z 98.10.

(a)  

(b)

(c)

(d)

(e)

(f)