1 H NMR ( 400 MHz , CDCl 3 ) , 특징 적 인 피크 : δ 8 . 56 ( s , 1 H ) , 8 . 06 ( d , J = 8 . 6 Hz , 1 H ) , 7 . 93 ( br s , 1 H ) , 7 . 57 ( br d , J = 8 . 6 Hz , 1 H ) , 6 . 83 ( t , JHF = 56 . 3 Hz , 1 H ) , 4 . 03 ( ddd , J = 11 . 7 , 4 . 7 , 1 . 6 Hz , 1 H ) , 3 . 87 ( br s , 2 H ) , 3 . 61 - 3 . 49 ( m , 1 H ) , 3 . 49 - 3 . 39 ( m , 2 H ) , 1 . 98 - 1 . 90 ( m , 1 H ) , 1 . 90 - 1 . 82 ( m , 1 H ) , 1 . 63 - 1 . 51 ( m , 1 H ) , 1 . 21 ( d , J = 6 . 3 Hz , 3 H ) .