FGFR1/DDR2 inhibitor 1 (compound 11k) is an inhibitor of fibroblast growth factor receptor 1 (FGFR1) and discoindin domain receptor 2 (DDR2), with IC50 of 31.1 nM, 108.4 nM and 3.2 nM for FGFR1, KG-1, and DDR2, respectively.