1H-Indole, 3-((4,5-dihydro-1H-imidazol-2-yl)methyl)-, mono(4-methylbenzenesulfonate) 3-((2-Imidazolin-2-yl)methyl)indole tosylate 3-((4,5-Dihydro-1H-imidazol-2-yl)methyl)-1H-indole tosylate 36596-94-8 74038-85-0 Indole imidazoline