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