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