A large doublet and a small septet pattern in ${ }^{1} \mathrm{H}$ NMR is usually indicative of a(n)

Name: A large doublet and a small septet pattern in ${ }^{1} \mathrm{H}$ NMR is usually indicative of a(n)
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A large doublet and a small septet pattern in ${ }^{1} \mathrm{H}$ NMR is usually indicative of an isopropyl group. The doublet is due to the two protons on the carbon adjacent to the methyl group, and the septet is due to the proton on the methyl group.

A Large Doublet and a Small Septet Pattern In 1H{ }^{1} \mathrm{H}1H

A Large Doublet and a Small Septet Pattern In ${ }^{1} \mathrm{H}$