From: Structural optimization and evaluation of novel 2-pyrrolidone-fused (2-oxoindolin-3-ylidene)methylpyrrole derivatives as potential VEGFR-2/PDGFRβ inhibitors
Compound
R
IC50 (μM)
Area
Sunitinib
–
1.54 ± 0.08
7
–SO2N(CH2CH2Cl)2
0.76 ± 0.11
13
–OMe
0.74 ± 0.16
14
–OH
0.62 ± 0.07
15
–SH
0.53 ± 0.11