Multiple Choice
An unknown compound X has the molecular formula C10H11O2Br. Compound X shows a strong absorption in its IR spectrum at 1700 cm-1. The 1H NMR spectral data for compound X is given below. What is the structure of compound X? 
A) Only I
B) Only II
C) Only III
D) I or II
Correct Answer:

Verified
Correct Answer:
Verified
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