DDR inhibitor X is a potent discoidin domain receptor (DDR) inhibitor with IC50 of 3.3 nM for DDR2, and shows 53% inhibition on DDR1 at 1.5 nM..

Dual DDR1 and DDR2 inhibitor 5n is a highly potent, selective, dual Discoidin domain receptor DDR1 and DDR2 inhibitor with Kd of 7.9 and 8.0 nM, IC50 of 9.4 and 20.4 nM, repectively.

DDR2-IN-1 is potent DDR2 inhibitor with an IC50 of 26 nM. DDR2-IN-1, compound 129, can be used for osteoarthritis research.

SR-302 (SR302) is a potent, selective cell-active dual DDR/p38 inhibitor with IC50 of 23/18/125/196 nM for DDR1/DDR2/p38α/p38β, respectively.

KI-301690 (KI 301690) is a novel potent, specific DDR1 inhibitor, synergized with gemcitabine to suppress the growth of pancreatic cancer cells.