Keywords: Ctk-styrene.png en wikipedia 2011 August 25 Chemical structure of styrene Transferred from http //en wikipedia org en wikipedia; transferred to Commons by User Ronhjones using http //tools wikimedia de/~magnus/commonshelper php CommonsHelper <br/> Original text Self-made with ChemDraw + IranView 21 44 6 April 2006 UTC <br/> 2006 04 06 original upload date Shimmin Original uploader was Shimmin at http //en wikipedia org en wikipedia Released into the public domain by the author en wikipedia Shimmin Original upload log page en wikipedia Ctk-styrene png 2006-04-06 21 43 Shimmin 149×88× 3707 bytes <nowiki></nowiki> Styrene |