73728-50-4 ETHYLENEDIAMINE, N,N'-DIETHYLTHIOMETHYL-N,N'-DIMETHYL-, DIHYDROCHLORIDE N,N'-Diethylthiomethyl-N,N'-dimethylethylenediamine dihydrochloride N,N'-Dimethyl-N,N'-diaethylthiomethylaethylendiamin dihydrochlorid [German]