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
4-Amino-6-(difluoromethyl)-2-iodo-3-(trifluoromethoxy)pyridine