Explain isomeric products upon substitution of an aromatic

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Compound A, C8H10, can give 2 isomeric products upon substitution of an aromatic H by -NO2. The 1H NMR spectrum of A shows 2 two-proton doublets at 7.14 and 7.34 ? and a six-proton singlet at 2.34 ?. What is the structure of A?

Reference no: EM13190321

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