Ethyl 2-chloro-4-(difluoromethyl)-3-fluoropyridine-6-acetate
Methyl 3-chloro-5-(difluoromethyl)-6-fluoropyridine-2-acetate
2-Chloro-6-(difluoromethyl)-4-nitro-3-(trifluoromethyl)pyridine
2-Chloro-3-(difluoromethyl)-5-nitro-4-(trifluoromethyl)pyridine