Fig. 2From: Synthesis of some novel 2-(3-cyano -6-(thiophen- 2-yl)-4,4′- bipyridin-2- yloxy)acetohydrazide derivatives: assessment of their cytotoxic activityThe dose response curves of the cytotoxicity of different compounds towards MCF-7tumor cell line. Cells were exposed to plant extract with different concentrations for 72 h. Cell viability was determined by SRB stainBack to article page