1 H NMR ( 400 MHz , 클로로포름 - d ) δ = 8 . 11 ( s , 1 H ) , 8 . 03 ( d , J = 8 . 2 Hz , 1 H ) , 7 . 94 ( s , 1 H ) , 7 . 90 ( s , 1 H ) , 7 . 61 ( s , 1 H ) , 7 . 56 - 7 . 40 ( m , 7 H ) , 7 . 33 - 7 . 28 ( m , 2 H ) , 7 . 23 - 7 . 17 ( m , 4 H ) , 6 . 22 ( d , J = 17 . 6 Hz , 1 H ) , 6 . 15 ( d , J = 18 . 8 Hz , 1 H ) , 5 . 85 ( dd , J = 3 . 5 , 51 . 2 Hz , 1 H ) , 5 . 75 - 5 . 45 ( m , 5 H ) , 4 . 95 - 4 . 23 ( m , 14 H ) , 2 . 82 ( t , J = 6 . 1 Hz , 2 H ) .