The present invention relates to certain acid addition salts of 4-methyl-1-(2-phenylethyI)-8- phenoxy-2,3-dihydro-1H-pyrrolo[3,2-c]-quinoline, including the methane sulfonic acid addition salt thereof, to a process for the preparation of such compounds, and to the use of such compounds for the treatment of microbial infections.Linvention concerne certains sels daddition dacide de 4-méthyl-1-(2-phényléthyI)-8- phénoxy-2,3-dihydro-1H-pyrrolo[3,2-c]-quinoline comprenant les sels associés daddition dacide sulfonique de méthane, un procédé de préparation de ces composés et leur utilisation pour traiter les infections microbiennes.
