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