3-(Chloromethyl)-5-(trifluoromethoxy)-4-(trifluoromethyl)pyridine-2-sulfonamide
2-Amino-4-(difluoromethyl)-6-nitropyridine-3-acetonitrile
5-Chloro-3-methoxy-2-(trifluoromethoxy)pyridine-4-sulfonamide
2-Bromo-6-(difluoromethyl)-3-methyl-5-nitropyridine