No higher resolution available. 230px-Serotonin_(5-HT)_svg.png (download) (230 × 167 pixels, file size: 4 KB, MIME type: image/png) About File History There is no description yet. Add a description. File history Click on a date/time to view the file as it appeared at that time. Date/TimeThumbnailDimensionsUserComment current03:11, January 20, 2012230 × 167 (4 KB)Grothmow (Talk | contribs) Retrieved from "http://powerlisting.wikia.com/wiki/File:230px-Serotonin_(5-HT)_svg.png?oldid=77939"