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PCE
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CPC Subgroup
C09B 35/35

Trisazo dyes in which the tetrazo component is a diamino-azo-aryl compound

Full Title

Disazo and polyazo dyes of the type A<-D->B prepared by diazotising and coupling > Trisazo dyes in which the tetrazo component is a diamino-azo-aryl compound