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