Fig. 3From: Synthesis and protective effect of new ligustrazine-vanillic acid derivatives against CoCl2-induced neurotoxicity in differentiated PC12 cellsProtective effects of compound VA-06 (60 μM) against CoCl2-induced injury in differentiated PC12 cells The neurite-bearing ration was shown as mean ± SD of at least 3 independent experiments. *p ≤ 0.05 level, significance relative to CoCl2 groupBack to article page