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