Keywords: Bulgarane.svg validSVG Skeletal formula of bulgarane Created using http //www acdlabs com/download/chemsk html ACD/ChemSketch 10 0 http //www inkscape org Inkscape and http //www vim org vim Own 2008-05-08 Fvasconcellos Polycyclic nonaromatic hydrocarbons Sesquiterpenes |