Methyl 5-(aminomethyl)-2-(difluoromethyl)-3-(trifluoromethyl)pyridine-6-acetate
Methyl 5-(aminomethyl)-2-(difluoromethyl)-3-(trifluoromethyl)pyridine-4-acetate
Methyl 4-(aminomethyl)-5-(difluoromethyl)-2-(trifluoromethyl)pyridine-3-acetate
Methyl 4-(aminomethyl)-3-(difluoromethyl)-6-(trifluoromethyl)pyridine-2-acetate