Ethyl 6-(difluoromethyl)-3-iodo-2-(trifluoromethyl)pyridine-4-carboxylate
2-(Bromomethyl)-3-(difluoromethyl)-5-methoxy-4-nitropyridine
Ethyl 3-(difluoromethyl)-4-iodo-5-(trifluoromethyl)pyridine-2-acetate
Ethyl 2-(difluoromethyl)-3-iodo-6-(trifluoromethyl)pyridine-5-acetate