Substituted 4-Acyl-5-methyl-2-phenyl-pyrazol-3-one-phenylhydrazones with Antioxidant Properties: X-Ray Crystal and Spectroscopic Studies

Figure 3

(a) ¹³C NMR spectrum of Empp-Ph; (b) ¹³C NMR spectrum of Prmpp-Ph.

(a)

(b)