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