Fast Blue B;3,3'-Dimethoxybiphenyl-4,4'-di(diazonium) zinc chloride;Fast Blue B salt;FAST BLUE B SALT FOR MICROSCOPY;Azoic diazo coMponent 48;Azoic Diazo No.48 zinc salt;Dianisidine blue;Di-o-anisidine diazotatezinc double salt;Echtblausalz B;Fast Blue B zinc salt;Fast blue salt BN;o-Dianisidine tetrazotized;Tetrazotized di-2-;Tetrazotized di-2-anisidine,ZnCl2;ate(2-)(1:1);FastsaltblueBidentischmit#131497;fastbluebsalt(dyecontentca.90%);FAST BLUE B SALT FOR MICROSCOPY;263F946;4-(4-Diazonio-3-methoxyphenyl)-2-methoxybenzenediazonium;zinc;tetrahydrochloride