发明名称 |
3-(N'-(3-HALO(OR HYDROXY)PROPYL)-N'-METHYLAMINO)-N,N,N-TRIMETHYL-1-PROPANAMINIUM HALIDE AND NOVEL POLYMERS THEREOF BEING POLY-(METHYL-(3-TRIMETHYLAMMONIOPROPYL)-IMINO)TRIMETHYLENE COMPOUNDS,THEIR PREPARATION AND PHARMACEUTICAL COMPOSITIONS COMPRISING CERTAIN SUCH POLYMERS |