Fig. 13

Effect of (2E,5E)-2-(4-methoxybenzylidene)-5-(4-nitrobenzylidene) cyclopentanone (AK-1a), (1E,4E)-4-(4-nitrobenzylidene)-1-(4-nitrophenyl) oct-1-en-3-one (AK-2a) and diclofenac sodium on acetic acid-induced writhes in mice. Data expressed as mean ± SEM, n = 5. ***P < 0.001 vs. saline group, one way ANOVA with post hoc Tukey’s test