containing a six-membered ring with one nitrogen atom as the only ring hetero-atom

Disazo or polyazo dyes of the type A → B → C, A → B → C → D, or the like, prepared by diazotising and coupling > Disazo dyes > from other coupling components "C" > Heterocyclic components > containing a six-membered ring with one nitrogen atom as the only ring hetero atom

Disazo and polyazo dyes of the type A->B->C, A->B->C->D, or the like, prepared by diazotising and coupling > Disazo dyes > from other coupling components "C" > Heterocyclic components > containing a six-membered ring with one nitrogen atom as the only ring hetero-atom