CAY10719 is a selective inhibitor of the breast cancer resistance protein ABCG2 (IC50 = 0.23 μM) with little activity at ABCG1. It has been shown to reverse the ABCG2-mediated resistance toward SN 38 and to inhibit ATPase activity.
Vedroprevir, also known as GS9451, is a selective hepatitis C virus (HCV) NS3 protease inhibitor in the development of the treatment of genotype 1 (GT1) HCV infection.