1 H NMR ( 400 MHz , CDCl 3 ) δ 7 . 39 - 7 . 33 ( m , 6 H ) , 7 . 25 - 7 . 17 ( m , 4 H ) , 7 . 03 ( t , J = 8 . 8 Hz , 1 H ) , 6 . 95 ( d , J = 2 . 4 Hz , 1 H ) , 6 . 86 ( dd , J = 8 . 4 , 2 . 4 Hz , 1 H ) , 5 . 72 및 5 . 68 ( AB q , J = 6 . 8 Hz , 2 H ) , 5 . 16 - 5 . 11 ( m , 2 H ) , 5 . 04 - 4 . 97 ( m , 1 H ) , 4 . 43 - 4 . 31 ( m , 1 H ) , 3 . 96 - 3 . 84 ( m , 1 H ) , 3 . 15 - 2 . 98 ( m , 2 H ) , 2 . 81 - 2 . 76 ( m , 1 H ) , 2 . 73 - 2 . 56 ( m , 2 H ) , 2 . 35 - 2 . 32 ( m , 1 H ) , 1 . 73 - 1 . 45 ( m , 4 H ) , 1 . 40 - 1 . 30 ( m , 5 H ) , 1 . 28 ( d , J = 6 . 4 Hz , 3 H ) , 1 . 09 - 1 . 01 ( m , 1 H ) .