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