LDN-211904  is a potent and selective EphB3 inhibitor with an IC50 of 0.079 µM. Besides, LDN-211904 oxalate shows good metabolic stability in mouse liver microsomes. What’s more, LDN-211904 oxalate with cetuximab could effectively inhibit STAT3-activated CSC stemness and cetuximab resistance in colorectal cancer. LDN-211904 oxalate is a potent EphB3 inhibitor. Besides,...