6-Amino-2-chloro-3-(trifluoromethoxy)pyridine-4-acetic acid
Methyl 5-amino-3-(chloromethyl)-4-(difluoromethyl)pyridine-2-acetate
Methyl 2,5-dibromo-4-(trifluoromethoxy)pyridine-3-carboxylate
Ethyl 3-chloro-5-fluoro-4-(trifluoromethoxy)pyridine-2-carboxylate