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  Phase-Transfer Catalysis: Fundamentals, Applications, and Industrial ... - C.M. Starks, M. Halper - Google Books

  https://books.google.de/books?id=-QCGckdeKAkC

  Since 1971 when useful working concepts for the technique of phase-transfer catalysis (PTC) were introduced, the understanding, development, and applica tions of this method for conducting organic reactions has expanded exponentially. PTC has brought vast…

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  Category:Functional groups – Wikimedia Commons

  https://commons.wikimedia.org/wiki/Category:Functional_groups?uselang=de

  Keine Beschreibung vorhanden.

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