A compound (L) with the molecular formula C9H10 reacts with bromine in carbon tetrachloride and gives an IR absorption spectrum that includes the following absorption peaks:3035 cm-1(m), 3020 cm-1(m), 2925 cm-1(m), 2853 cm-1(w), 1640 cm-1(m), 990 cm-1(s), 915 cm-1(s), 740 cm-1(s), 695 cm-1(s). The 1H NMR spectrum of L consists of:
Doublet δ 3.1 (2H)Multiplet δ 5.1Multiplet δ 7.1 (5H)
Multiplet δ 4.8Multiplet δ 5.8

The UV spectrum shows a maximum at 255 nm. Propose a structure for compound L