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