Ethyl 6-bromo-4-(difluoromethyl)-3-fluoropyridine-2-carboxylate
4-Amino-2-nitro-3-(trifluoromethoxy)pyridine-6-acetic acid
4-Amino-2-nitro-3-(trifluoromethoxy)pyridine-5-carboxylic acid
3-(Bromomethyl)-4-chloro-2-(difluoromethyl)pyridine-6-acetic acid