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English: Skeletal formula of sildenafil (Viagra) ((1-[4-ethoxy-3-(6,7-dihydro-1-methyl- 7-oxo-3-propyl-1H-pyrazolo[4,3-d]pyrimidin-5-yl)phenylsulfonyl]-4-methylpiperazine citrate; C22H30N6O4S · C6H8O7). high-resolution black and white PNG; ChemDraw / Photoshop.
Source Own work
Author MattKingston
Later versions were uploaded by Benjah-bmm27


Public domain This work has been released into the public domain by its author, Benjah-bmm27 at English Wikipedia. This applies worldwide.
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Original upload log[edit]

The original description page was here. All following user names refer to en.wikipedia.
  • 2006-03-13 12:53 Benjah-bmm27 2204×1097×8 (45330 bytes)
  • 2004-06-21 08:10 MattKingston 470×186×2 (2158 bytes) Chemical structure of sildenafil.

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current03:44, 21 November 2006Thumbnail for version as of 03:44, 21 November 20062,204 × 1,097 (44 KB)Shizhao (talk | contribs)
18:52, 18 October 2005Thumbnail for version as of 18:52, 18 October 2005470 × 186 (2 KB)Bemoeial~commonswiki (talk | contribs)* description: Sildenafil / Viagra chemical structure * en:Image:Sildenafil.png {{PD}}
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