Spermine71-44-333 % similar N-Methylphenethylamine589-08-232 % similar Spermidine124-20-932 % similar Bis(hexamethylene)triamine143-23-732 % similar Propylamine107-10-832 % similar Ethylmethylamine624-78-232 % similar N-Phenylethylenediamine1664-40-031 % similar N-Methyl-beta-alanine2679-14-331 % similar N-(2-Aminoethyl)-3-aminopropyltrimethoxysilane1760-24-330 % similar