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