Ethyl 2-(difluoromethyl)-4-methyl-3-(trifluoromethyl)pyridine-6-carboxylate
3-(Chloromethyl)-5-(difluoromethyl)-2-(trifluoromethyl)pyridine-6-acetic acid
2-(Chloromethyl)-4-(difluoromethyl)-6-(trifluoromethyl)pyridine-3-acetic acid
5-(Chloromethyl)-4-(difluoromethyl)-2-(trifluoromethyl)pyridine-3-acetic acid