علوم کشاورزی (کب)

... > PHYSICAL SCIENCES > chemistry > chemical substances > chemical substances by use or effect > pest control compounds > pesticides > pesticides by target organism > herbicides > herbicides by composition > pyridine herbicides

... > PHYSICAL SCIENCES > chemistry > chemical substances > chemical elements and compounds > inorganic compounds > organic compounds > organic compounds by structure or composition > organic compounds by non-carbon element > organic compounds by non-metallic element > organic nitrogen compounds > heterocyclic nitrogen compounds > pyridines > pyridine herbicides