Analysis of 31 Hydrazones of Carbonyl Compounds by RRLC-UV and RRLC-MS(/MS): A Comparison of Methods

Figure 3

MS/MS spectra obtained from the [M-H]⁻ ion fragmentation of selected hydrazones: (a) propionaldehyde; (b) heptanaldehyde; (c) o-, m-, and p-tolualdehydes; (d) benzaldehyde; (e) crotonaldehyde; (f) salicylaldehyde; (g) acetone; and (h) cyclohexanone.

(a)

(b)

(c)

(d)

(e)

(f)

(g)

(h)