molecule models theobromine and caffeine side the arrow highlights only difference white hydrogen black

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Molecule models of Theobromine, and Caffeine side by side. The arrow highlights the only difference. White is Hydrogen, black is Royalty Free Stock Photo
Molecule models of Theobromine left, and Caffeine right side by side. The red arrow highlights the only difference. White is Royalty Free Stock Photo
   
   
   
   
   
Molecule models of Theobromine, and Caffeine side by side. The arrow highlights the only difference. White is Hydrogen, black is
   
   
   
   
   
   
   
Molecule models of Theobromine, and Caffeine side by side. The arrow highlights the only difference. White is Hydrogen, black is Carbon, red is Oxygen and blue is Nitrogen.

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