3-Bromo-2-(chloromethyl)-5-(difluoromethyl)-4-(trifluoromethyl)pyridine
5-Chloro-4-(difluoromethyl)-2-fluoro-3-methoxypyridine
5-Chloro-2-(difluoromethyl)-4-hydroxypyridine-3-carbonyl chloride
5-Chloro-3-(difluoromethyl)-2-hydroxypyridine-4-carbonyl chloride