1 H NMR ( 400 MHz , 클로로포름 - d ) δ = 8 . 11 ( dd , J = 1 . 2 , 8 . 2 Hz , 2 H ) , 8 . 09 ( s , 2 H ) , 7 . 68 ( s , 2 H ) , 7 . 67 - 7 . 58 ( m , 4 H ) , 7 . 52 - 7 . 48 ( m , 2 H ) , 6 . 26 ( d , J = 17 . 6 Hz , 2 H ) , 6 . 02 - 5 . 97 ( m , 2 H ) , 5 . 97 - 5 . 88 ( m , 2 H ) , 5 . 68 ( dd , J = 3 . 9 , 50 . 8 Hz , 2 H ) , 5 . 15 ( br d , J = 10 . 9 Hz , 2 H ) , 4 . 99 ( br d , J = 10 . 9 Hz , 2 H ) , 4 . 56 - 4 . 44 ( m , 8 H ) , 4 . 25 ( br t , J = 6 . 1 Hz , 2 H ) .