Ethyl 4-cyano-2-methyl-3-(trifluoromethoxy)pyridine-5-acetate
2-Chloro-6-(difluoromethyl)-4-iodo-3-(trifluoromethoxy)pyridine
Ethyl 5-cyano-3-methyl-4-(trifluoromethoxy)pyridine-2-acetate
2-Chloro-5-(difluoromethyl)-6-iodo-3-(trifluoromethoxy)pyridine