Keywords: Synthesis of Organol Brown N.svg en synthesis of Organol Brown N 4 from aniline 1 and 1-naphthol 3 azo coupling de synthesis of Organol Brown N 4 aus Anilin 1 und 1-Naphthol 3 Azokupplung own Yikrazuul 2010-01-16 Azo compounds Benzenediazonium chloride Diazo coupling reactions |