Ethyl 2-(difluoromethyl)-4-nitropyridine-3-acetate
2-(Chloromethyl)-4-(difluoromethyl)-3-hydroxy-5-(trifluoromethoxy)pyridine
2-Chloro-6-nitro-4-(trifluoromethoxy)-3-(trifluoromethyl)pyridine
3-Amino-4-chloro-5-(chloromethyl)-2-(difluoromethyl)pyridine