Basic Brown 4

1,3-benzenediamine, 4,4'-(1,3-phenylenebis(2,1-diazenediyl))bis-, acetate (1:2) ; 4,4'-[1,3-phenylenebis(2,1-diazenediyl)]bis-1,3-benzenediamine acetate ; 1,3-benzenediamine, 4,4-1,3-phenylenebis(azo)bis-, diacetate ; bismark brown r liquid ; basic brown 4 liquid 1,3-benzenediamine 4,4'-(1,3-phenylenebis(azo))bis-diacetate