Dione T-Shirts
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Description: A monochrome, detailed chemical structure diagram of CAFFEINE (1,3,7-Trimethylpurine-2,6-dione) on a black background. Various chemical groups and bonds are labeled, including 'N-Methyl Group', 'Pyrimidine Ring', 'Carbonyl Oxygen', 'Double Bond', 'Amide Group', and 'Imidazole Ring'. The patent information and inventor details are presented in a white box at the bottom.
Graphic tees. Available in Plus Size T-Shirt
