Synonyms: Benzoicacid, 3,4,5-trihydroxy-,2-[8-(3,4-dihydro-3,5,7-trihydroxy-2H-1-benzopyran-2-yl)-3,4,6-trihydroxy-5-oxo-5H-benzocyclohepten-1-yl]-3,4-dihydro-5,7-dihydroxy-2H-1-benzopyran-3-ylester, [2R-[2a(2R*,3R*),3a]]-; Gallic acid, monoester with3,4,6-trihydroxy-1,8-bis(3a,5,7-trihydroxy-2a-chromanyl)-5H-benzocyclohepten-5-one (8CI); 5H-Benzocyclohepten-5-one,3,4,6-trihydroxy-1,8-bis(3a,5,7-trihydroxy-2a-chromanyl)-, monogallate (8CI); Theaflavin 2B; Theaflavin 3'-gallate;Theaflavin monogallate B