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  Category:Aldehydes – Wikimedia Commons

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

  Keine Beschreibung vorhanden.

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  Category:Carboxylic acids – Wikimedia Commons

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

  Keine Beschreibung vorhanden.

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  US4155929A - Process for the preparation of an acetonitrile derivative - Google Patents

  http://www.google.de/patents?hl=de&lr=&vid=USPAT4155929&id=p-YyAAAAEBAJ&oi=fnd&dq=US+4155929&printsec=abstract#v=onepage&q=Valpr

  Process for the preparation of di-n-propyl acetonitrile of the formula: ##STR1## whereby, in a single step, sodium n-propylate in n-propanol medium is added to a reaction medium which is formed of a cyanacetate of general formula: ##STR2## in which R…

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