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
2-Amino-6-(difluoromethyl)-3-(trifluoromethoxy)pyridine-5-carboxylic acid