<unk>  (tentative trade name Recentin) is a potent inhibitor of vascular endothelial growth factor (VEGF) receptor tyrosine kinases. It is being developed by AstraZeneca as a possible chemotherapeutic agent for oral administration.
As of 2007, it is undergoing Phase I clinical trials for the treatment of non-small cell lung cancer and colorectal cancer in adults, as well as tumors of the central nervous system in children.
AZD2171
Duvelisib
Idelalisib
Glasdegib
Crofelemer
Abarelix
Phenkapton
Sonidegib