1,2-Dihydro-1,2-dihydroxy-4-carboxybenzophenone 1,5-Cyclohexadiene-1-carboxylic acid, 4-benzoyl-3,4-dihydroxy- 129623-64-9 4-Benzoyl-3,4-dihydroxy-1,5-cyclohexadiene-1-carboxylic acid 4-Carboxy-1,2-dihydro-1,2-dihydroxybenzophenone Dihydro-dihydroxy-4CBzP