High-resolution black/white .SVG made with ChemDraw — see WikiProject Chemistry - structure drawing for detailed instructions. Please drop me a note if
File:Ppc_start-button.svg licensed with Cc-by-sa-3.0, GFDL 2010-11-10T20:50:02Z Ckepper 131x26 (9891 Bytes) reduced the surrounding white space 2010-11-10T20:47:24Z