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