Monomethyl glutaric acid is a metabolite of dibasic esters(DBEs) by nasal respiratory and olfactory mucosae in vitro demonstrated that hydrolysis of DBEs yields mainly the monomethyl esters (monomethyl adipate monomethyl. glutarate and monomethyl succinate).

Homogentisic acid shows interesting antioxidant and antiradical activities, and protective effect against thermal-cholesterol degradation, comparable to those of well known antioxidants.

TD-198946, a potent chondrogenic agent, is a thienoindazole derivative.