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