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.

Epirizole is a pyrimidinyl pyrazole with antipyretic, analgesic, and anti-inflammatory activity.

Methyl 3-hydroxy-4,5-dimethoxybenzoate shows fairly active for oxidation resistance in the presence of H2O2.