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A caffeate is a salt or ester of caffeic acid.
A caffeoylquinic acid is any of a variety of polyphenolic acids derived from caffeic acid.
Citric Acid Gallic Acid Ascorbic Acid and Vitamin C) Caffeic Acid
Caffeic acid glycoside.
A caffeoyl is a univalent radical derived from caffeic acid.