68699-90-1Relevant articles and documents
Stilbene compounds
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, (2008/06/13)
Novel stilbene compounds of the formula STR1 in which R1 and R2 independently of one another are hydrogen or chlorine and A is a mono-nuclear or poly-nuclear aromatic heterocyclic structure which contains oxygen atoms or oxygen and nitrogen atoms and is unsubstituted or substituted by non-chromophoric substituents, as well as their use in a process for optically brightening organic material are disclosed.