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  Category:Phthalazines – Wikimedia Commons

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

  Keine Beschreibung vorhanden.

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  The Chemistry of Heterocyclic Compounds, Cinnolines and Phthalazines ... - Google Books

  https://books.google.de/books?id=OnF-9Y7nJwYC&pg=PA175#v=onepage

  This book provides the most comprehensive, current reference on the synthetic chemistry of cinnolines and phthalazines. Applications to the syntheses of natural products and other chiral compounds are described. Volume 64 contains chapters exploring the…

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  Deutsche Biographie - Gabriel, Siegmund

  https://www.deutsche-biographie.de/gnd116327375.html#ndbcontent

  Deutsche Biographie

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  AK Prof. Dr. G. Seitz

  http://www.pharmazie.uni-marburg.de/ipc/akseitz/publication.html

  Seine Instituts-Sachen

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