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