p-Hydroxysalicylic acid, 4-Carboxyresorcinol, b-resorcylic acid, 2,4,6-TRIPHENYLPYRYLIUM TETRAFLUOROBORATE, Benzoic acid, 2,4-dihydroxy-, resorcylic acid, Benzoic acid,2,4-dihydroxy, 2,4-dihydroxy-benzoic acid, 4-Hydroxysalicylic acid, BK_2-Hydroxy Benzoic Acid___99%