Methyl 4-(difluoromethyl)-3-methyl-5-(trifluoromethyl)pyridine-2-acetate
Methyl 4-(difluoromethyl)-3-methyl-2-(trifluoromethyl)pyridine-5-acetate
5-(Difluoromethyl)-2-methyl-3-(trifluoromethyl)pyridine-6-acetic acid
Methyl 4-(difluoromethyl)-2-methyl-6-(trifluoromethyl)pyridine-3-acetate