Methyl 3-(difluoromethyl)-2-methoxy-6-(trifluoromethyl)pyridine-5-acetate
Methyl 3-(difluoromethyl)-2-methoxy-5-(trifluoromethyl)pyridine-6-acetate
Methyl 3-(difluoromethyl)-2-methoxy-4-(trifluoromethyl)pyridine-6-acetate
4-(Difluoromethyl)-3-methoxy-5-(trifluoromethyl)pyridine-2-methanol