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