度維替尼抑制劑Dovitinib (TKI258, CHIR258) is a multitargeted RTK inhibitor, mostly for class III (FLT3/c-Kit, IC50: 1/2 nM), also effective to class IV (FGFR1/3) and class V (VEGFR1-4) RTKs (IC50: 8-13 nM), less potent to EGFR, InsR, EphA2, c-Met, IGF-1R, Tie2,