Keywords: Teprenone.svg validSVG Skeletal formula of 5E 9E 13E - teprenone geranylgeranyl acetone tetraprenyl acetone Created using http //www acdlabs com/download/chemsk html ACD/ChemSketch 10 0 and Inkscape Own 2008-09-04 Fvasconcellos Diterpenes Gastrointestinal system drugs |