PIN1 inhibitor API-1 is a specific Pin1 inhibitor (IC50: 72.3 nM). PIN1 inhibitor API-1 retains the active conformation of pXPO5 and restores the ability of pXPO5 to transport pre-miRNAs from the nucleus to cytoplasm, thus up-regulating the anticancer miRNA biogenesis to suppress both in vitro and in vivo hepatocellular carcinoma development.

Tilorone dihydrochloride is the first recognized synthetic, small molecular weight compound that is an orally active interferon inducer, used as an antiviral drug.

5,7-Dimethoxy-2,3-phenanthrenediol is a compound with estrogenic activity. 5,7-Dimethoxy-2,3-phenanthrenediol increases the proliferation of MCF-7 cell and the expression of ERβ in the MCF-7 cell line.