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