Rogaratinib (BAY1163877) is a potent and selective fibroblast growth factor receptor (FGFR) inhibitor. Rogaratinib inhibits FGFRs with IC50s of 11.2 nM (FGFR1), <1 nM (FGFR2), 18.5 nM (FGFR3), 127 nM (VEGFR3/FLT4), 201 nM (FGFR4), respectively[1][2].