Methyl 2-(bromomethyl)-4-(difluoromethyl)-6-(trifluoromethyl)pyridine-3-acetate
5-(Difluoromethyl)-4-nitro-2-(trifluoromethyl)pyridine-3-carbonyl chloride
3-(Bromomethyl)-4-(difluoromethyl)-2-(trifluoromethyl)pyridine-6-carboxylic acid
4-(Difluoromethyl)-3-nitro-5-(trifluoromethyl)pyridine-2-acetic acid