User talk:112.203.199.51

Please refrain from making unconstructive edits to Wikipedia, as you did at Hydrocarbon. Your edits appear to constitute vandalism and have been reverted or removed. If you would like to experiment, please use the sandbox. Thank you.Materialscientist (talk) 10:20, 14 September 2010 (UTC)

Please stop your disruptive editing. If you continue to vandalize Wikipedia, as you did at Organic chemistry, you may be blocked from editing. Materialscientist (talk) 10:20, 14 September 2010 (UTC)