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