O-DIANISIDINE REAGENT, BLUE BN BASE DIHYDROCHLORIDE, 3,3‘-Dimethoxybenzidine dihydrochloride, 2-Dianisidinedihydrochloride; 3,3'-Dimethoxy-[1,1'-biphenyl]-4,4'-diamine dihydrochloride; 3,3'-Dimethoxy-benzidin,Dihydrochlorid; 2-Dianisidinedi2HCl; Fast Blue B; 3,3'-dimethoxybiphenyl-4,4'-ylenediammonium dichloride; o-Dianisidine dihydrochloride; DMB DIHYDROCHLORIDE; 33DIMETHOXYBENZIDINE2HCL; 3,3'-dimethoxy-benzidine,dihydrochloride; o-Dianisidine dihydr; o-Dianisidinehydrochloride;