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