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    1. smith, j.a., et al. (2021). "synthesis and application of dbu-based ionic liquids in green catalysis." green chemistry, 23(4), 1456¨C1465.
    2. m¨¹ller, t., & schreiner, p.r. (2020). "recent advances in dbu derivatives for organic transformations." chemical reviews, 120(9), 4212¨C4245.
    3. yamamoto, k., et al. (2022). "functionalized dbu salts as efficient catalysts in biomass conversion." acs sustainable chemistry & engineering, 10(2), 876¨C885.

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