1-Hydroxy-2-aminopropane 1-Methyl-2-hydroxyethylamine 1-Propanol, 2-amino- 189328-44-7 2-Amino-1-propanol 2-Amino-2-methylethanol 2-Aminopropan-1-ol 2-Aminopropanol 6168-72-5 78-91-1 EINECS 201-156-4 EINECS 228-207-3 NSC 1360 beta-Propanolamine