(1,1'-Biphenyl)-4,4'-bis(diazonium), 3,3'-dimethoxy-, dichloride 20282-70-6 3,3'-Dimethoxy(1,1'-biphenyl)-4,4'-bis(diazonium) dichloride 4,4'-Biphenylbis(diazonium), 3,3'-dimethoxy-, dichloride (8CI) 90145-79-2 91-91-8 Blue BNS salt EINECS 202-106-4 NSC 36551 Tetrazotized-o-dianisidine chloride