A compound with molecular formula C
7H
17N exhibits a triplet at δ 1.0 (3H), a doublet at δ 1.1 (I=6), a multiplet at δ 2.0 (1H), a singlet at δ 2.3 (3H), a doublet at δ 2.3 (2H), and a quartet at δ 2.4 (2H) in its
1H NMR spectrum. Its
13C NMR spectrum showed peaks at δ 13.4, δ 20, δ 27.9, δ 39.3, δ 49.5 and δ 65.2. What is the structure for this compound?
◦ I
◦ II
◦ III
◦ IV
◦ V