4-(Fluoromethyl)-2-iodo-5-(trifluoromethoxy)pyridine-3-carboxylic acid
3-(Chloromethyl)-2-(difluoromethyl)-6-methyl-5-(trifluoromethoxy)pyridine
2-(Bromomethyl)-3-cyano-4-(difluoromethyl)-6-nitropyridine
5-Chloro-3-(difluoromethyl)-4-methyl-2-nitropyridine