3169-21-9

VariaMine Blue B Sulfate&nbsp Variamine Blue B sulfuric acid 4-Amino-4'-methoxydiphenylaminesulfate,foriron-titration Variamine blue B sulfate (=4-amino-4'-methoxydiphenylamine sulfate VARIAMINE BLUE B SULFATE (=4-AMINO-4'-METHOXYDIPHENYLAMINE SULFATE)[FOR IRON-TITRATION] 4-Amino-4'-methoxydiphenylamine Sulfate N-(4-Methoxyphenyl)-1,4-phenylenediamine Sulfate