2365-31-3 HR 2153 NSC57142 Urea, 1,1'-m-phenylenebis-[3-(p-2-imidazolin-2-ylphenyl)-, dihydrochloride Urea, 1,1'-m-phenylenebis[3-(p-2-imidazolin-2-ylphenyl)-, dihydrochloride Urea, N,N''-1,3-phenylenebis-[N'-[4-(4,5-dihydro-1H-imidazol-2-yl)phenyl]-, dihydrochloride