DescriptionButabarbital.svg English: Chemical structure of Butabarbital Date 7 January 2011, 18:28 (UTC) Source Own work Author Ed (Edgar181) Permission
DescriptionButabarbital synthesis.svg English: Synthesis of Butabarbital Deutsch: Synthese von Secbutabarbital Date 17 January 2013 Source Own work Author
DescriptionButabarbital Synthesis V1.svg Deutsch: Synthese von Secubarbital English: Synthesis of Butabarbital Date 10 June 2016 Source Own work Author