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