3-(Difluoromethyl)-6-methoxy-4-nitropyridine-2-sulfonamide
Ethyl 2-(bromomethyl)-6-(difluoromethyl)-4-(trifluoromethyl)pyridine-3-carboxylate
4-(Difluoromethyl)-3-fluoro-2-hydroxypyridine-6-sulfonamide
2-Bromo-6-cyano-5-(difluoromethyl)-3-(trifluoromethoxy)pyridine