2-Bromo-5-(fluoromethyl)-6-nitro-3-(trifluoromethoxy)pyridine
4-Amino-2-methoxy-3-(trifluoromethoxy)-6-(trifluoromethyl)pyridine
5-(Chloromethyl)-4-(difluoromethyl)-2-methoxypyridine
3-(Chloromethyl)-5-cyano-4-(difluoromethyl)-2-(trifluoromethoxy)pyridine