Question: 3 . Draw the caffeine molecule and assign the position of the only single proton that there is in the imidazole ring. Clearly indicate the

3 .

Draw the caffeine molecule and assign the position of the only single proton that there is in the imidazole ring. Clearly indicate the correspondence between the chemical shift of the signal and the proton originating the signal by using arrows or letter labels linking the signal with the atom.

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