1H-Imidazole, 4,5-dihydro-2-(1-(2,3,5,6-tetramethylphenyl)ethyl)-, monohydrochloride 4,5-Dihydro-2-(1-(2,3,5,6-tetramethylphenyl)ethyl)-1H-imidazole monohydrochloride 72649-99-1