3-Amino-2-(difluoromethyl)-4-(trifluoromethoxy)pyridine-6-carboxylic acid
2-Bromo-3-fluoro-5-nitro-6-(trifluoromethoxy)pyridine
2-Bromo-4-(fluoromethyl)-5-methoxy-3-(trifluoromethoxy)pyridine
2-Bromo-3-(fluoromethyl)-6-methoxy-5-(trifluoromethoxy)pyridine