Ethyl 4-(bromomethyl)-6-(difluoromethyl)-3-(trifluoromethoxy)pyridine-2-acetate
4-(Bromomethyl)-2-(difluoromethyl)-3-(trifluoromethoxy)pyridine-5-carbonyl chloride
5-(Bromomethyl)-3-(difluoromethyl)-4-(trifluoromethoxy)pyridine-2-carbonyl chloride
2-(Difluoromethyl)pyridine-3-carboxylic acid