Keywords: Isooctane.png Structural formula of isooctane 2 2 4-trimethylpentane with every atom displayed although most C-H bonds are not shown to keep the structure intelligible Self made in ChemDraw and Photoshop by Ben Mills 10 40 8 March 2006 UTC 2006-03-08 own assumed Benjah-bmm27 Branched octanes |