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