4-Chloro-2-cyano-3-(difluoromethyl)pyridine-6-sulfonyl chloride
2-Iodo-3-methoxy-4-(trifluoromethoxy)pyridine-6-methanol
Methyl 3-amino-2-(difluoromethyl)-4-nitropyridine-6-carboxylate
4-(Difluoromethyl)-2-nitro-5-(trifluoromethyl)pyridine-3-sulfonyl chloride