1 H NMR ( 400 MHz , CD 3 OD ) δ 7 . 18 ( d , J = 8 . 4 Hz , 1 H ) , 7 . 06 ( d , J = 2 . 8 Hz , 1 H ) , 6 . 95 ( dd , J = 8 . 4 , 2 . 8 Hz , 1 H ) , 5 . 79 및 5 . 73 ( AB q , J = 6 . 8 Hz , 2 H ) , 3 . 70 - 3 . 68 ( m , 1 H ) , 3 . 33 - 3 . 26 ( m , 1 H ) , 3 . 10 ( dd , J = 13 . 2 , 3 . 2 Hz , 1 H ) , 2 . 95 ( br d , J = 19 . 2 Hz , 1 H ) , 2 . 74 - 2 . 67 ( m , 1 H ) , 2 . 46 ( d , J = 14 . 0 Hz , 1 H ) , 1 . 94 ( d , J = 12 . 0 Hz , 1 H ) , 1 . 87 - 1 . 78 ( m , 1 H ) , 1 . 71 ( d , J = 12 . 8 Hz , 1 H ) , 1 . 60 - 1 . 40 ( m , 5 H ) , 1 . 34 - 1 . 25 ( m , 1 H ) , 1 . 17 ( s , 9 H ) , 1 . 15 - 1 . 07 ( m , 1 H ) .