3-Chloro-2-(difluoromethyl)-5-methyl-4-(trifluoromethoxy)pyridine
6-Chloro-2-(difluoromethyl)-3-methyl-4-(trifluoromethoxy)pyridine
2-Chloro-6-(difluoromethyl)-4-methyl-3-(trifluoromethoxy)pyridine
6-Chloro-2-fluoro-4-iodo-3-(trifluoromethoxy)pyridine