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