2,5-Dihydroxy benzoic acid
Gentisic acid; Hydroquinonecarboxylic acid; 2,5-Dhba; 2,5-dihydroxy-benzoicaci; 2,5-Dioxybenzoic acid; 5-Hydroxysalicylic acid; 5-hydroxy-salicylicaci; 5-hydroxysalicylicacid; acido2,5-diidrossibenzoico; Benzoic acid, 2,5-dihydroxy-; 2,5-dihydroxybenzoic acid; 2,5-dihydroxybenzoate