و آر ایل:https://c8.alamy.com/comp/2H1GX11/ddt-dichlorodiphenyltrichloroethane-molecule-it-is-commonly-used-organochlorine-insecticide-skeletal-chemical-formula-illustration-2H1GX11.jpg
و آر ایل:https://www.alamy.com/ddt-dichlorodiphenyltrichloroethane-molecule-it-is-commonly-used-organochlorine-insecticide-skeletal-chemical-formula-illustration-image448455869.html