Ethyl 6-bromo-3-cyano-4-(trifluoromethoxy)pyridine-2-carboxylate
3-Bromo-2-methoxy-4-(trifluoromethoxy)pyridine-5-carboxaldehyde
5-Amino-2-(difluoromethyl)-4-(trifluoromethoxy)pyridine-3-acetic acid
3-Bromo-5-(chloromethyl)-4-fluoro-2-(trifluoromethoxy)pyridine