A compound with molecular formula C
8H
14O
3 exhibits a triplet at δ 1.0 (6H), a sextet at δ 1.6 (4H) and a triplet at δ 2.2 (4H) in its
1H NMR spectrum. Its IR spectrum shows two strong absorption bands near 1850 and 1750 cm
-1. What is the structure for this compound?
◦ I
◦ II
◦ III
◦ IV
◦ V