4-Amino-2-chloro-5-(trifluoromethoxy)pyridine-3-acetic acid
2-Amino-4-(chloromethyl)-5-(trifluoromethoxy)pyridine-3-carboxylic acid
3-Amino-6-(fluoromethyl)-2-methyl-5-(trifluoromethoxy)pyridine
5-Amino-3-chloro-2-(trifluoromethoxy)pyridine-4-acetic acid