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