Wikipedia English Quaternary Ammonium Cation English English English English English Quaternary ammonium English quaternary ammonium четвертичные аммонийные соединения (ЧАСы) quaternary ammonium compound tetraalkylammonium English English English English English English English English English English quaternary ammonium cations quaternary ammonium cations http://en.wikipedia.org/wiki/Quaternary_ammonium_cation English English quaternary ammonium cations quaternary ammonium compounds English tetraalkylammonium English English English http://en.wikipedia.org/wiki/Quaternary_ammonium_cation English http://en.wikipedia.org/wiki/Quaternary_ammonium_cation Quaternary Ammonium Compounds English English quaternary ammonium compounds English quaternary ammonium compound четвертичные аммонийные соединения (ЧАСы) English English English http://en.wikipedia.org/wiki/Quaternary_ammonium_cation quaternary ammonium English http://en.wikipedia.org/wiki/Quaternary_ammonium_cation English англ. quaternary ammonium cation