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