5-Amino-4-(fluoromethyl)-3-(trifluoromethoxy)pyridine-2-acetonitrile
4-Amino-2-(difluoromethyl)-3-(trifluoromethoxy)pyridine-5-carboxylic acid
6-Bromo-2-(chloromethyl)-3-iodo-4-(trifluoromethoxy)pyridine
2-Bromo-6-(chloromethyl)-4-iodo-3-(trifluoromethoxy)pyridine