Quaternary ammonium compound, process for producing the...
Quaternary ammonium compounds
Quaternary ammonium compounds
Quaternary ammonium compounds
Quaternary ammonium compounds
Quaternary ammonium compounds and method for their manufacture
Quaternary ammonium compounds and methods of producing them
Quaternary ammonium compounds and their use as anti-tussive...
Quaternary ammonium compounds and their use as...
Quaternary ammonium compounds and their use as...
Quaternary ammonium compounds as muscarinic receptor...
Quaternary ammonium compounds having muscle relaxation activity
Quaternary ammonium compounds useful as muscarinic receptor...
Quaternary ammonium compounds useful in hair treating...
Quaternary ammonium compounds, their preparation and their use
Quaternary ammonium cyclic imides
Quaternary ammonium demulsifiers
Quaternary ammonium derivatives of epichlorohydrin polymers...
Quaternary ammonium derivatives of lanolin acids with...
Quaternary ammonium dicyanamides