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