Zucapsaicin (Civanex) is a medication used to treat osteoarthritis of the knee and Others neuropathic pain.Zucapsaicin is a synthetic cis isomer of natural capsaicin that has shown therapeutic efficacy in pain accompanying osteoarthritis of the knee.

Tetrachlorocatechol is a metabolite of pentachlorophenol. Tetrachlorocatechol is one of the most toxic chlorinated catechol produced by the chlorobleaching of pulp and frequently found in the kraft pulp mill effluents.

Methyl pseudolarate A is a diterpenoid compound that exerts its antitumor activity by inhibiting cell proliferation and inducing apoptosis.