Ключевые слова: 34dehydroretinal, 3d, acid, atom, biochemistry, biological, biology, c20h26o, chemical, chemistry, complex, dehydroretinal, design, drug, education, element, essential, formula, health, healthy, illustration, important, medicals, medication, medicine, metabolism, model, molecular, molecule, natural, nature, nourishment, nutrient, organic, oxygen, pharmacy, science, scientific, skeletal, structural, structure, supplement, symbol, vitamin, vitamin a, vitamin a2,