Ethyl 3-(chloromethyl)-6-(difluoromethyl)-2-(trifluoromethoxy)pyridine-5-acetate
Ethyl 5-(chloromethyl)-2-(difluoromethyl)-3-(trifluoromethoxy)pyridine-6-acetate
5-(Chloromethyl)-2-(trifluoromethoxy)-4-(trifluoromethyl)pyridine-3-methanol
2-(Difluoromethyl)-3-methoxypyridine-5-acetic acid