141874-20-6 2-(4,5-Dihydro-1H-imidazol-2-yl)-1,2,4,5-tetrahydro-2-propylpyrrolo(3,2,1-HI)indole hcl Pyrrolo(3,2,1-hi)indole, 2-(4,5-dihydro-1H-imidazol-2-yl)-1,2,4,5-tetrahydro-2-propyl-, monohydrochloride SL 84.0418 SL-84.0418