1,3-Propanediamine, N-dodecyl- 5538-95-4 Diam 21 Laurylaminopropylamine N-(3-Aminopropyl)dodecylamine N-Dodecyl-1,3-propanediamine N-Dodecyltrimethylenediamine N-Lauryl-1,3-diaminopropane N-Lauryl-1,3-propanediamine N-Lauryltrimethylenediamine NSC30892 RC 5635