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