3-Amino-2-(difluoromethyl)-4-nitropyridine-6-carbonyl chloride
Ethyl 5-(difluoromethyl)-2-fluoro-3-(trifluoromethoxy)pyridine-4-carboxylate
6-(Chloromethyl)-3-(difluoromethyl)-2-(trifluoromethyl)pyridine-4-sulfonyl chloride
4-Methoxy-5-(trifluoromethoxy)pyridine-2-sulfonyl chloride