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