1,2-Dihydro-2-((5(4)-methyl-4(5)-imidazolyl)methyl)-1-oxobenz(h)isoquinoline hydrochloride 133897-58-2 2-((5-Methyl-1H-imidazol-4-yl)methyl)benz(h)isoquinolin-1(2H)-one monohydrochloride Benz(h)isoquinolin-1(2H)-one, 2-((5-methyl-1H-imidazol-4-yl)methyl)-, monohydrochloride