Ethyl 2-(difluoromethyl)-5-hydroxy-4-(trifluoromethoxy)pyridine-3-acetate
5-(Aminomethyl)-4-iodo-3-(trifluoromethoxy)pyridine-2-acetic acid
Ethyl 6-(difluoromethyl)-4-hydroxy-2-(trifluoromethoxy)pyridine-3-acetate
2-(Bromomethyl)-6-iodo-3-methoxy-4-(trifluoromethoxy)pyridine