Keywords: Huperzine A.png Chemical structure of en huperzine A created with ChemDraw self-made by Edgar181 User Edgar181 on http //en wikipedia org en wikipedia page is was here <nowiki> 20 21 8 September 2006 Edgar181 598×321 8 034 bytes <span class comment > Chemical structure of en huperzine A created with ChemDraw </span> </nowiki> Uploaded using http //tools wikimedia de/~magnus/commonshelper php CommonsHelper or http //tools wikimedia de/~magnus/pushforcommons php PushForCommons Huperzine A |