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