| 英文名称: | | 4-((2,4-diaminophenyl)azo)-benzenesulfonic aci monosodium salt | | p-((2,4-diaminophenyl)azo)-benzenesulfonic aci monosodium salt | | c.i. 13220 | | c.i. direct brown 191 | | padding brown j | | padding brown n | | 4-((2,4-diaminophenyl)azo)-benzenesulfonic acimonosodium salt |
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