2-Amino-4-(chloromethyl)-3-(trifluoromethoxy)pyridine-6-carboxylic acid
5-Amino-4-(difluoromethyl)-2-methyl-3-(trifluoromethoxy)pyridine
5-Bromo-3-fluoro-2-hydroxy-4-(trifluoromethoxy)pyridine
2-Amino-3-(chloromethyl)-4-(trifluoromethoxy)pyridine-6-carboxylic acid