NH2-C4-NH-Boc (compound 15) is a PROTAC linker belonging to the Alkyl/ether class. NH2-C4-NH-Boc can be used to synthesize a series of PROTAC molecules.

Astragaloside II is an effective MDR reversal agent and may be a potential adjunctive agent for hepatic cancer chemotherapy.

RK-33 is a first-in-class small molecule inhibitor of DDX3 (a RNA helicase) and causes G1 cell cycle arrest, induces apoptosis, and promotes radiation sensitization in DDX3-overexpressing cells.