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