Fig. 2From: Synthesis and protective effect of new ligustrazine-vanillic acid derivatives against CoCl2-induced neurotoxicity in differentiated PC12 cellsProtective effects of compound VA-06 against CoCl2-induced injury in differentiated PC12 cells (×200) The most representative fields are shown. A Undifferentiated PC12 cells. B Differentiated PC12 cells by NGF. C CoCl2-induced neurotoxicity of differentiated PC12 cells. D CoCl2-induced neurotoxicity +VA-06 (60 μM)Back to article page