Figure 3
From: Inhibitors of glutamate release from breast cancer cells; new targets for cancer-induced bone-pain

IC50 curves for capsazepine, NNDP, SKF38393 and sulfasalazine.
The IC50 was calculated by normalizing to the viable cell numbers. The IC50 values are as follows: capsazepine = 17.72, SKF38393 = 20.12, NNDP = 25.45 SSZ = 79.59 μM.