SEARCH Articles Figures Tables 2,2 -bipyrrolyl bis ammonium Ammonium Bis(hexasulfido)palladate(II) Ammonium, tetrabutyl bis Bis ammonium chloride Bis(Triphenylphosphoranylidene)Ammonium Tetracarbonylcyanoferrate(O), Fe(CO)4(CN) Bis(triphenylphosphoranylidene)ammonium Dicarbonyltrichloro (dimethylformamide)ruthenate(II), Ru(CO)2Cl3(DMF) Bis-ammonium salts Bis-quaternary ammonium salts Langmuir of bis ammonium Methyl, tallow, bis-2-hydroxyethyl quaternary ammonium Polymethylenic bis-ammonium compound