1 H NMR ( 400 MHz , CDCl 3 ) δ 7 . 36 - 7 . 32 ( m , 5 H ) , 7 . 09 - 6 . 99 ( m , 1 H ) , 6 . 94 ( s , 1 H ) , 6 . 86 - 6 . 81 ( m , 1 H ) , 5 . 74 및 5 . 72 ( AB q , J = 6 . 4 Hz , 2 H ) , 5 . 16 - 5 . 12 ( m , 2 H ) , 4 . 36 ( br d , J = 42 . 0 Hz , 2 H ) , 3 . 94 - 3 . 84 ( m , 2 H ) , 3 . 12 - 3 . 09 ( m , 2 H ) , 2 . 67 - 2 . 49 ( m , 3 H ) , 2 . 37 - 2 . 30 ( m , 2 H ) , 2 . 05 ( d , J = 13 . 6 Hz , 2 H ) , 1 . 89 ( d , J = 11 . 2 Hz , 1 H ) , 1 . 88 - 1 . 79 ( m , 1 H ) , 1 . 70 - 1 . 17 ( m , 11 H ) , 1 . 09 - 1 . 00 ( m , 1 H ) .