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