Keywords: Polycyclic Aromatic Hydrocarbons.png NOTE The ORIGINAL PNG image file was MODIFIED via the http //www gimp org/ GIMP v2 8 4 program using the Brightness Contrast options - afterwards the modified image was uploaded to http //commons wikimedia org/w/index php title Special Upload wpDestFile Polycyclic_Aromatic_Hydrocarbons png wpForReUpload 1 Wikimedia Commons via http //commons wikimedia org/w/index php title Special Upload wpDestFile Polycyclic_Aromatic_Hydrocarbons png wpForReUpload 1 Uploading a new version of this file on this File Page - Enjoy Drbogdan <span class signature-talk >talk</span> 13 20 25 May 2013 UTC polycyclic aromatic hydrocarbons Clockwise from top left the molecules are http //www commonchemistry org/search aspx terms Fluoran benz e acephenanthrylene pyrene and dibenz a h anthracene Own work by uploader Accelrys DS Visualizer Inductiveload 2008-06-17 Polycyclic aromatic hydrocarbons |