Keywords: Danishefsky spirotryprostatinB synthesis.png en wikipedia 2011 August 25 I created this image myself and I release it into the public domain Transferred from http //en wikipedia org en wikipedia; transferred to Commons by User Ronhjones using http //tools wikimedia de/~magnus/commonshelper php CommonsHelper 2007-07-26 Original uploader was Talbotron22 at http //en wikipedia org en wikipedia Released into the public domain by the author en wikipedia Talbotron22 Original upload log page en wikipedia Danishefsky_spirotryprostatinB_synthesis png 2007-07-26 21 35 Talbotron22 848×280× 41650 bytes <nowiki>I created this image myself and I release it into the public domain </nowiki> Indole alkaloids Gamma-lactams Spiro compounds Total syntheses |