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