Fig. 2From: Structural optimization and evaluation of novel 2-pyrrolidone-fused (2-oxoindolin-3-ylidene)methylpyrrole derivatives as potential VEGFR-2/PDGFRβ inhibitorsAcute cytotoxicity assay of a HCT116; b Detroit 551 incubated with DMSO (1%), sunitinib, 7, and 13–15 (10 μM)Back to article page