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5-O-(E)-p-Coumaroylquinic acid, a quinic acid derivative, is a potent phytochemical agent against hepatitis B virus[1].

ChEBI: 5-p-coumaroylquinic acid is a cinnamate ester obtained by formal condensation of the carboxy group of 4-coumaric acid with the 5-hydroxy group of (-)-quinic acid. It has a role as a metabolite. It is a cinnamate ester and a cyclitol carboxylic acid. It is functionally related to a (-)-quinic acid and a 4-coumaric acid.

[1] Kim KH, et, al. Isolation of quinic acid derivatives and flavonoids from the aerial parts of Lactuca indica L. and their hepatoprotective activity in vitro. Bioorg Med Chem Lett. 2007 Dec 15;17(24):6739-43. DOI:10.1016/j.bmcl.2007.10.046