4-Amino-3-methoxy-2-(trifluoromethoxy)pyridine-5-acetic acid
3-Amino-2-methoxy-5-(trifluoromethoxy)pyridine-6-acetic acid
2-Amino-6-(fluoromethyl)-3-(trifluoromethoxy)pyridine-4-acetonitrile
6-Amino-4-(fluoromethyl)-3-(trifluoromethoxy)pyridine-2-acetonitrile