Keywords: Tetrazene-N4H4.png Chemical structure of tetrazene N<sub>4</sub>H<sub>4</sub> Author date of creation self made by Ben Mills at 13 52 8 March 2006 UTC Source user-created image Comments high-resolution black and white PNG; ChemDraw / Photoshop 2006-03-08 own assumed Benjah-bmm27 tetrazenes |