3-(Difluoromethyl)-5-methyl-4-nitropyridine-2-sulfonyl chloride
2-Amino-4-chloro-6-(difluoromethyl)pyridine-3-carboxaldehyde
4-(Difluoromethyl)-3-hydroxy-5-nitropyridine-2-sulfonamide
4-Chloro-3-(difluoromethyl)-2-methoxy-6-(trifluoromethoxy)pyridine