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| Ghorbani-Vaghei, Ramin and Veisi, Hojat One-pot synthesis of substituted pyrroles with N,N,N',N' -tetrachlorobenzene-1,3-disulphonamide and N,N'-Diiodo-N,N'-1,2-ethanediylbis (p-toluenesulphonamide) as novel catalytic reagents. S.Afr.j.chem. (Online), 2009, vol.62, p.33-38. ISSN 0379-4350
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