E-3810 is a potent and selective dual inhibitor of VEGF and FGF receptors with IC50 values of 7 nM, 25 nM, 10 nM, 17.5 nM and 82.5 nM for VEGFR-1, VEGFR-2, VEGFR-3, FGFR-1 and FGFR-2, respectively.