Question: ( a ) Assign approximate positions to various protons in the ? 1 H NMR spectrum of the following compound : ( b ) Allocate

(a) Assign approximate positions to various
protons in the ?1H NMR spectrum of the following
compound :
(b) Allocate the positions of three methyl groups in
?1H NMR in the given compound and justify the
answer:
(a) Assign approximate positions to various protons in the ?1H NMR

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