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