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(A) Chemical structure of curcumin. PubChem CID 969516; (B) Chemical structure of epigallocatechin-3-gallate. PubChem CID 65064; (C) Chemical structure of resveratrol. PubChem CID 445154; (D) Chemical structure of pyridoxal-5′-phosphate. PubChem CID 1051; (E) Chemical structure of ascorbic acid. PubChem CID 54670067; (F) Chemical structure of α-tocopherol. PubChem CID 14985.
