Methyl 4-(difluoromethyl)-5-nitro-2-(trifluoromethoxy)pyridine-3-acetate
5-(Aminomethyl)-2-methyl-3-(trifluoromethoxy)pyridine-6-acetonitrile
4-(Aminomethyl)-2-methyl-3-(trifluoromethoxy)pyridine-6-acetonitrile
3-(Aminomethyl)-5-methyl-6-(trifluoromethoxy)pyridine-2-acetonitrile