2-(Difluoromethyl)-4-methoxy-3-nitropyridine-5-acetic acid
5-Amino-2-bromo-3-(difluoromethyl)pyridine-4-carbonyl chloride
2-(Bromomethyl)-3-iodo-5-nitro-6-(trifluoromethoxy)pyridine
4-Amino-2-(bromomethyl)-3-(difluoromethyl)-6-(trifluoromethyl)pyridine