Ursonic acid belongs to the family of Ursane Triterpenes whose structure is based on the pentacyclic ursane skeleton. It has potential as HIV-1 Protease Inhibitor.

(R)-Sulforaphane is a potent inducer of the Keap1/Nrf2/ARE pathway.

FM04 is an orally active and highly potent inhibitor of P-glycoprotein (P-gp) with an EC50 value of 83 nM. FM04 can interact with Q1193 and I1115 in human P-gp nucleotide binding domain 2 (NBD2).