Methyl 2-(chloromethyl)-5-(difluoromethyl)-3-methoxypyridine-4-carboxylate
Methyl 6-(chloromethyl)-4-(difluoromethyl)-3-methoxypyridine-2-carboxylate
2-(Chloromethyl)-3-methyl-4-(trifluoromethoxy)pyridine-5-carboxylic acid
Ethyl 3-(chloromethyl)-6-(difluoromethyl)-4-methoxypyridine-2-carboxylate