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