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