علوم کشاورزی (کب)

... > PHYSICAL SCIENCES > chemistry > chemical substances > chemical elements and compounds > inorganic compounds > organic compounds > organic compounds by functional group > alcohols > phenols > pyrocatechol

... > PHYSICAL SCIENCES > chemistry > chemical substances > chemical elements and compounds > inorganic compounds > organic compounds > organic compounds by structure or composition > organic compounds by aliphatic or aromatic > aromatic compounds > phenolic compounds > phenols > pyrocatechol