{HEAD ~ The method} 2 wherein said {TAIL ~ quaternary ammonium salt} comprises an alkyl dimethyl benzyl ammonium chloride 
wherein
{ HEAD ~ The method } 2 wherein said { TAIL ~ quaternary ammonium salt } comprises an alkyl dimethyl benzyl ammonium chloride
HEAD HEAD HEAD HEAD HEAD HEAD OTH REL OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH