Methyl 2-(aminomethyl)-3-(difluoromethyl)-6-methoxypyridine-5-acetate
Methyl 2-(aminomethyl)-3-(difluoromethyl)-6-methoxypyridine-4-acetate
Methyl 2-(aminomethyl)-3-(difluoromethyl)-5-methoxypyridine-6-acetate
Methyl 2-(aminomethyl)-3-(difluoromethyl)-5-methoxypyridine-4-acetate