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