| 英文名称: | | 2,7-naphthalenedisulfonic acid, 4-amino-3-((4-((4-((2-amino-4-hydroxyphenyl)azo | | trilithium salt | | c.i. direct black 168, lithium salt | | direct black 168, lithium salt | | duasyn direkt schwarz hef-sf | | 7-naphthalenedisulfonic acid,4-amino-3-((4-((4-((2-amino-4-hydroxyphenyl)azo)phenyl)amino)-3-sulfopheny l)azo)-5-hydroxy-6-(phenylazo)- trilithium salt |
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