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