KnowraGallic acidLinked fromLinked fromThe 4 pages that link to Gallic acid, each with the reason it gives.All 4Related 4TanninRelated: It forms the galloyl groups characteristic of many hydrolyzable tannins.Tannic acidRelated: Its relationship to tannic acid can cause the two compounds to be mistaken for one another.Ellagic acidRelated: Oxidative coupling of gallic-acid-derived units helps form ellagic acid structures.PyrogallolRelated: Heating gallic acid can remove carbon dioxide and yield pyrogallol.