Methyl 5-(aminomethyl)-2-(difluoromethyl)-4-methylpyridine-3-carboxylate
Methyl 5-(aminomethyl)-2-(difluoromethyl)-3-methylpyridine-4-carboxylate
4-(Aminomethyl)-3-(difluoromethyl)-2-methylpyridine-5-carboxylic acid
4-(Aminomethyl)-2-(difluoromethyl)-6-methylpyridine-3-carboxylic acid