Looking at the proton NMR spectrum of DEET acquired at room temperature, why are there two broad singlets at 3.2 and 3.5 ppm, also two broad singlets at 1.1 and 1.2 ppm? Which protons do these correspond to? What should they look like?

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Tod ThielLv2

13 Dec 2019

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Here is the picture of the 1'HNMR