2-Chloro-3-(difluoromethyl)-4-(trifluoromethoxy)pyridine-5-carboxylic acid
3-Chloro-4-(difluoromethyl)-2-iodo-6-(trifluoromethoxy)pyridine
3-Chloro-2-(difluoromethyl)-6-iodo-4-(trifluoromethoxy)pyridine
5-Chloro-2-(difluoromethyl)-3-(trifluoromethoxy)pyridine-4-carboxaldehyde