1 H NMR ( 400 MHz , 클로로포름 - d ) δ 8 . 28 ( d , J = 2 . 3 Hz , 1 H ) , 7 . 62 ( dd , J = 9 . 0 , 2 . 4 Hz , 1 H ) , 6 . 36 ( d , J = 9 . 0 Hz , 1 H ) , 4 . 04 - 3 . 91 ( m , 2 H ) , 3 . 90 - 3 . 75 ( m , 1 H ) , 3 . 68 ( ddd , J = 11 . 6 , 8 . 8 , 2 . 5 Hz , 2 H ) , 3 . 61 ( dd , J = 8 . 2 , 6 . 9 Hz , 1 H ) , 3 . 39 ( q , J = 2 . 7 Hz , 1 H ) , 3 . 26 ( dt , J = 5 . 0 , 2 . 1 Hz , 1 H ) , 3 . 18 - 3 . 04 ( m , 3 H ) , 2 . 17 - 2 . 01 ( m , 1 H ) , 1 . 97 ( dd , J = 9 . 4 , 5 . 6 Hz , 2 H ) , 1 . 90 - 1 . 77 ( m , 1 H ) , 1 . 74 - 1 . 63 ( m , 2 H ) .