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