Licorice glycoside C2 is a oleanane-type triterpene oligoglycoside isolated from Glycyrrhiza uralensis. Various biological activities are associated with licorice extracts, such as anti-viral, anti-microbial, antioxidant, anti-inflammatory, anti-ulcer, anti-cancer and anti-HIV effects.

2-Hydroxycaproic acid is a branched-chain alpha-keto acid that has been reported in normal human blood and in normal amniotic fluid. It has been found that 2-Hydroxycaproic acid is the most significant metabolite found in the CSF of patients infected with Nocardia.

8,9-Epoxy-3-isobutyryloxy-10-(2-methylbutanoyl)thymol is a chemical composition of essential oils from Telekia speciosa. 8,9-Epoxy-3-isobutyryloxy-10-(2-methylbutanoyl)thymol also shows marked antipro-liferative activity against human cancer cell lines in vitro.