Ethyl 3-(bromomethyl)-2-methoxy-5-(trifluoromethoxy)pyridine-4-carboxylate
4-(Difluoromethyl)-6-iodo-3-(trifluoromethoxy)pyridine-2-acetic acid
Ethyl 2-(difluoromethyl)-4-iodo-6-(trifluoromethoxy)pyridine-3-acetate
Ethyl 2-(bromomethyl)-6-methoxy-4-(trifluoromethoxy)pyridine-3-carboxylate