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General structure of the 2-aminobenzimidazole library and the submonomers used to construct it. (A) General structure of 2-aminobenzimidazole library members. (B) Submonomers used at the R1 position. (C) Submonomers used at the R2 position. Each compound has an invariant azido group for conjugation onto alkyne-functionalized agarose microarray surfaces.
