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Continue to ChatSynthesis and use of mono- or bisxylyl linked bis(benzimidazolium) bromides as carbene precursors for C-C bond formation reactions - https://avesis.inonu.edu.tr/yayin/2622d6d8-223a-4741-8016-ada6e29db624/synthesis-and-use-of-mono-or-bisxylyl-linked-bisbenzimidazolium-bromides-as-carbene-precursors-for-c-c-bond-formation-reactions