Methyl 3-cyano-4-(fluoromethyl)-2-(trifluoromethoxy)pyridine-6-acetate
2-Cyano-3-(difluoromethyl)-4-nitro-5-(trifluoromethoxy)pyridine
Ethyl 3-cyano-4-methyl-5-(trifluoromethoxy)pyridine-2-acetate
3-Cyano-6-(fluoromethyl)-4-nitro-2-(trifluoromethoxy)pyridine