3,4-Bis(acetyloxy)benzoic acid 3,4-Diacetoxybenzoic acid 3-10-00-01408 (Beilstein Handbook Reference) 58534-64-8 BRN 2698785 Benzoic acid, 3,4-bis(acetyloxy)- EINECS 261-312-2 Protocatechuic acid, diacetate (6CI,7CI)