1 H NMR ( 400 MHz , 클로로포름 - d ) δ 7 . 93 ( d , J = 9 . 5 Hz , 1 H ) , 7 . 77 ( d , J = 8 . 6 Hz , 1 H ) , 7 . 47 ( d , J = 8 . 6 Hz , 1 H ) , 7 . 00 ( d , J = 9 . 5 Hz , 1 H ) , 4 . 63 ( t , J = 6 . 2 Hz , 2 H ) , 4 . 50 ( t , J = 5 . 8 Hz , 2 H ) , 4 . 01 ( d , J = 11 . 8 Hz , 2 H ) , 3 . 61 ( p , J = 6 . 0 Hz , 1 H ) , 3 . 27 - 3 . 07 ( m , 4 H ) , 3 . 06 ( s , 1 H ) , 1 . 77 ( dd , J = 8 . 9 , 4 . 3 Hz , 2 H ) , 1 . 66 - 1 . 52 ( m , 2 H ) .