Methyl 4-(bromomethyl)-2-(difluoromethyl)-3-(trifluoromethoxy)pyridine-5-carboxylate
6-(Bromomethyl)-3-(difluoromethyl)-4-(trifluoromethoxy)pyridine-2-carbonyl chloride
2-(Chloromethyl)-3-(trifluoromethoxy)-5-(trifluoromethyl)pyridine-4-carbonyl chloride
5-Amino-2-(difluoromethyl)pyridine-4-acetic acid