1 H NMR ( 400 MHz , 클로로포름 - d ) δ = 8 . 61 ( s , 1 H ) , 8 . 14 ( s , 1 H ) , 7 . 43 ( d , J = 7 . 2 Hz , 2 H ) , 7 . 33 - 7 . 27 ( m , 3 H ) , 7 . 24 - 7 . 18 ( m , 8 H ) , 7 . 05 - 7 . 01 ( m , 2 H ) , 6 . 76 ( d , J = 8 . 6 Hz , 4 H ) , 6 . 20 ( dd , J = 2 . 7 , 17 . 2 Hz , 1 H ) , 5 . 59 ( td , J = 3 . 1 , 53 . 1 Hz , 1 H ) , 5 . 19 ( br d , J = 2 . 3 Hz , 2 H ) , 4 . 93 - 4 . 83 ( m , 1 H ) , 4 . 18 - 4 . 15 ( m , 1 H ) , 4 . 01 ( br d , J = 6 . 3 Hz , 2 H ) , 3 . 78 ( s , 6 H ) , 3 . 53 ( dd , J = 2 . 7 , 10 . 9 Hz , 1 H ) , 3 . 17 ( dd , J = 3 . 7 , 11 . 1 Hz , 1 H ) , 0 . 85 ( s , 9 H ) , 0 . 10 ( s , 3 H ) , 0 . 02 ( s , 3 H ) .