Jegosapogenol A is a type of triterpenoid. Triterpenoids are terpene molecules containing six isoprene units. Barringtogenol C is a very weakly acidic compound (based on its pKa) and practically insoluble (in water). Barringtogenol C exists in tea. It can
8-Chloro-2-(2-phenylethyl)-5,6,7-trihydroxy-5,6,7,8-tetrahydrochromone, a chromone derivative, is present in the methanol extract obtained from withered wood of Aquilaria sinensis.