1 H NMR ( 400 MHz , 클로로포름 - d ) δ = 8 . 56 ( s , 1 H ) , 7 . 92 ( s , 1 H ) , 7 . 54 ( qd , J = 1 . 6 , 7 . 6 Hz , 2 H ) , 7 . 31 - 7 . 27 ( m , 1 H ) , 7 . 19 - 7 . 15 ( m , 2 H ) , 6 . 07 - 5 . 94 ( m , 1 H ) , 5 . 84 ( d , J = 6 . 6 Hz , 1 H ) , 5 . 50 ( br d , J = 10 . 6 Hz , 1 H ) , 5 . 20 ( dd , J = 1 . 6 , 17 . 2 Hz , 1 H ) , 5 . 05 ( dd , J = 1 . 4 , 10 . 4 Hz , 1 H ) , 5 . 02 - 4 . 98 ( m , 2 H ) , 4 . 95 - 4 . 91 ( m , 1 H ) , 4 . 16 - 4 . 08 ( m , 2 H ) , 3 . 96 ( dd , J = 1 . 6 , 12 . 9 Hz , 1 H ) , 3 . 73 ( dd , J = 2 . 0 , 5 . 5 Hz , 1 H ) , 3 . 73 - 3 . 67 ( m , 1 H ) , 0 . 78 ( s , 9 H ) , - 0 . 20 ( s , 3 H ) , - 0 . 46 ( s , 3 H ) .