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