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