4-(Chloromethyl)-5-(difluoromethyl)-2-(trifluoromethoxy)pyridine-3-acetic acid
3-(Chloromethyl)-6-(difluoromethyl)-4-(trifluoromethoxy)pyridine-2-sulfonyl chloride
Ethyl 3-(difluoromethyl)-4-methoxypyridine-5-acetate
4-(Chloromethyl)-3-(difluoromethyl)-5-(trifluoromethoxy)pyridine-2-acetic acid