25786-98-5 NSC70692 Urea, 1,1'-(2-methyl-m-phenylene)bis[3-(p-2-imidazolin-2-ylphenyl)-, dihydrochloride Urea, N,N''-(2-methyl-1,3-phenylene)bis[N'-[3-(4,5-dihydro-1H-imidazol-2-yl)phenyl]-, dihydrochloride