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2,2'-Diamino-diphenyldisulfid, 1.) 2 Mol NaOH, verd. A., 15 min., Sieden 2.) 1.5 Mol 4-Chlor-3-nitro-1-sulfamoyl-benzol, wss. NaOH, 60grad, 3.) Raumtemp. (neben 2-Amino-benzol-sulfinsaeure-(1));
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