| 英文名称: | | 2,7-naphthalenedisulfonic acid, 4-amino-3-((4-((4-((4-amino-2-hydroxyphenyl)azo | | )benzoyl) amino)phenyl)azo)-5-hydroxy-6-(phenylazo)- | | direct black gb nb | | 7-naphthalenedisulfonic acid,4-amino-3-((4-((4-((4-amino-2-hydroxyphenyl)azo)benzoyl)amino)phenyl)az |
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