6-(Difluoromethyl)-4-nitro-3-(trifluoromethyl)pyridine-2-carboxaldehyde
6-Amino-2-(difluoromethyl)-3-fluoropyridine-4-carbonyl chloride
Ethyl 3-bromo-6-(chloromethyl)-4-(difluoromethyl)pyridine-2-acetate
6-(Chloromethyl)-3-methyl-4-nitro-2-(trifluoromethoxy)pyridine