Keywords: DBU.svg Skeletal formula of 1 8-diazabicyclo5 4 0undec-7-ene DBU Created using http //www acdlabs com/download/chemsk html ACD/ChemSketch 10 0 and Inkscape Own 2007-10-15 Fvasconcellos 20 22 15 October 2007 UTC Image Dbu gif by V8rik and Rifleman 82 DBU |