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 cyclic imides
Quaternary ammonium dicyanamides
Quaternary ammonium diester salt composition and hydrocarbon...
Quaternary ammonium diester salt composition and lubricating...
Quaternary ammonium diphenylmethyl compounds useful as...
Quaternary ammonium flocculating agent derived from kraft...
Quaternary ammonium or phosphonium peroxycarbonic acid...