American Chemical Society.Division of Physical Chemistry. American Chemical Society.Division of Pesticide Chemistry. American Chemical Society,Division of Analytical Chemistry American Chemical Society.Division of Fuel Chemistry. American Chemical Society. Division of Medicainal Chemistry. American Chemical Society Division of Analytidal Chemistry American Chemical Society.Division of Petroleum chemistry. American Chemical Society.Division of Pesticide Chemistry American Chemical Society.Division of Inorganic Chemistry. American Chemical Society.Division of Pesticide Chmeistry.