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