Ethyl 2-chloro-4-(difluoromethyl)-3-(trifluoromethoxy)pyridine-5-acetate
Ethyl 2-chloro-3-(difluoromethyl)-5-(trifluoromethoxy)pyridine-6-acetate
2-Chloro-6-methyl-3-nitro-5-(trifluoromethoxy)pyridine
6-Chloro-3-methyl-2-nitro-4-(trifluoromethoxy)pyridine