4.) A compound, with molecular formula CsH₁oBr₂ displays the following 13C NMR along with the DEPT-90 and DEPT-135 ¹³C NMR spectra. Identify the structure of this compound. Please annotate each of the spectra, explaining what each signal or absence of signal means and the information obtained from each. DEPT-90 DEPT-135 Broadband decoupled 11 75 70 65 60 55 50 45 40 35 30 25 20 15 10 5 ppm

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