Ключевые слова: dehydrogenase, acid, additive, amber, atom, atomic, butanedioic, c4h6o4, carbon, carboxylic, chemical, chemistry, citric, dicarboxylic, drawing, e363, flat, formula, hydrogen, icon, illustration, molecular, molecule, organic, oxygen, spirit, spirit of amber, structural, structure, succinate, succinic, succinic acid, supplement, tca,