Image talk:Pentobarbital-2D-skeletal.png
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This image does not appear to be pentobarbital. Pictured is 5-Ethyl-5-(1-methypentyl)- 2,4,6(1H,3H,5H)-pyrimidinetrione. Note that the carbon chain pictured is a 1-methylpentane group, rather than a 1-methylbutane as it should be.