6-Amino-3-fluoro-4-(trifluoromethoxy)pyridine-2-carbonyl chloride
4-Amino-2-(aminomethyl)-3-nitro-6-(trifluoromethoxy)pyridine
4-Bromo-3-(chloromethyl)-2-(difluoromethyl)pyridine-6-carboxaldehyde
2-(Difluoromethyl)-5-nitro-6-(trifluoromethyl)pyridine-3-carbonyl chloride