Ethyl 6-(difluoromethyl)-3-methyl-2-(trifluoromethoxy)pyridine-4-carboxylate
2-Chloro-6-(difluoromethyl)-3-iodopyridine-4-carboxylic acid
2-(Difluoromethyl)-4-methoxy-3-nitropyridine
3-(Bromomethyl)-5-(difluoromethyl)-4-(trifluoromethyl)pyridine-2-carboxylic acid