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