Methyl 2-(aminomethyl)-3-methyl-6-(trifluoromethoxy)pyridine-5-carboxylate
Methyl 4-(aminomethyl)-3-(difluoromethyl)-6-methoxypyridine-2-acetate
Methyl 4-(aminomethyl)-5-(difluoromethyl)-3-methoxypyridine-2-acetate
Methyl 4-(aminomethyl)-3-(difluoromethyl)-5-methoxypyridine-2-acetate