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