acetyl coenzyme A (acetyl CoA)

citric acid cycle

pyruvate dehydrogenase complex

thiamine pyrophosphate (TPP)

lipoic acid

flavin adenine dinucleotide (FAD)

pyruvate dehydrogenase (E₁)

acetyllipoamide

dihydrolipoyl transacetylase (E₂)

dihydrolipoyl dehydrogenase (E₃)

flavoprotein

beriberi