Synonyms: 2H-1-Benzopyran-3,5,7-triol,3,4-dihydro-2-(3,4,5-trihydroxyphenyl)-, trans-(?à)-; Gallocatechol, (?à)- (8CI); (?à)-Gallocatechin; (?à)-Gallocatechol; 2H-1-Benzopyran-3,5,7-triol,3,4-dihydro-2-(3,4,5-trihydroxyphenyl)-, trans-; dl-Gallocatechin;dl-Gallocatechol