英文别名2,3,4,5-Tetrahydroxy-6-oxo-6H-benzo[7]annulene-8-carboxylic acid; Purpurogallincarboxylic acid; 5H-Benzocycloheptene-8-carboxylic acid, 2,3,4,6-tetrahydroxy-5-oxo-; 2,3,4,5-tetrahydroxy-6-oxobenzo[7]annulene-8-carboxylic acid; 2,3,4,6-tetrahydroxy-5-oxo-5h-benzo[7]annulene-8-carboxylic acid 
