2,6-Dichloro-3-(fluoromethyl)-5-(trifluoromethoxy)pyridine
4-(Difluoromethyl)-2-iodo-6-(trifluoromethoxy)pyridine
6-(Chloromethyl)-4-(difluoromethyl)-2-methoxypyridine-3-carboxylic acid
2-(Chloromethyl)-4-(difluoromethyl)-5-methoxypyridine-3-carboxylic acid