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, and her
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