| 英文名称: | | benzoic acid, 2-hydroxy-5-((4'-((4-((4-hydroxyphenyl)azo)-6(or 7)-sulfo- 1-naph | | 1'-biphenyl)-4-yl)azo)-thalenyl)azo)( disodium salt | | c.i. 31735 | | c.i. direct brown 54 | | direct fast brown 2zhkh | | direct lightfast brown 2zhkh | | 2-hydroxy-5-((4'-((4-((4-hydroxyphenyl)azo)-6(or 7)-sulfo-1-naphthalenyl)azo)(1,1'-biphenyl)-4-yl)azo)-benzoic aci disodium salt |
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