Isopropyl bromide.
Absorption by the six methyl protons H(a) appears upfield, split into a doublet by the single adjacent proton H(b). Absorption by the lone proton H(b) appears downfield (the inductive effect of bromine) split into a septet by the six adjacent protons (outside peaks barely visible).
Absorption by the six methyl protons H(a) appears upfield, split into a doublet by the single adjacent proton H(b). Absorption by the lone proton H(b) appears downfield (the inductive effect of bromine) split into a septet by the six adjacent protons (outside peaks barely visible).
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