Keywords: Centalun.svg i drew this anyone can use it Transferred from http //en wikipedia org en wikipedia; transferred to Commons by User Ronhjones using http //tools wikimedia de/~magnus/commonshelper php CommonsHelper 2008-03-31 Original uploader was Meodipt at http //en wikipedia org en wikipedia Later version s were uploaded by Anypodetos at http //en wikipedia org en wikipedia Released into the public domain by the author PD-chem en wikipedia Meodipt Original upload log page en wikipedia Centalun svg 2010-04-18 08 11 Anypodetos 152×105× 7823 bytes <nowiki>Fixed font bug</nowiki> 2008-03-31 07 29 Meodipt 152×105× 2709 bytes <nowiki>i drew this anyone can use it </nowiki> Alkyne derivatives Vicinal diols |