1 H - NMR ( 200 MHz , CDCl 3 ) ; δ 7 . 78 ( d , 1 H ) , 6 . 30 ( m , 1 H ) , 6 . 85 ( d , 1 H ) , 5 . 6 - 5 . 1 ( m , 7 H ) , 4 . 6 - 4 . 1 ( m , 5 H ) , 2 . 9 - 2 . 7 ( m , 4 H ) , 2 . 4 ( t , 2 H ) , 2 . 2 - 2 . 0 ( m , 3 H ) , 1 . 8 - 1 . 2 ( m , 10 H ) , 0 . 95 ( t , 3 H ) .