2-(Chloromethyl)-6-(difluoromethyl)-3-(trifluoromethoxy)pyridine-4-acetic acid
6-(Chloromethyl)-3-(difluoromethyl)-4-(trifluoromethoxy)pyridine-2-acetic acid
Ethyl 2-bromo-3-(difluoromethyl)pyridine-4-acetate
3-(Difluoromethyl)-2-iodo-5-methoxypyridine