Xanthine oxidase-IN-9 (Icarisids E) (Compound 2) is a potent xanthine oxidase (XOD) inhibitor with an IC50 of 31.81 μM.

Heteroclitin C is a Lignans product that can be isolated from the stems of Kadsura heteroclita.

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.