1 H NMR ( 400 MHz , 메탄올 - d 4 ) δ 8 . 53 ( s , 2 H ) , 8 . 20 ( d , J = 9 . 4 Hz , 1 H ) , 8 . 11 ( d , J = 2 . 7 Hz , 1 H ) , 7 . 53 ( t , J = 59 . 9 , 59 . 4 Hz , 1 H ) , 7 . 45 ( d , J = 8 . 2 Hz , 2 H ) , 7 . 34 ( d , J = 8 . 0 Hz , 2 H ) , 7 . 23 ( d , J = 8 . 2 Hz , 2 H ) , 6 . 94 ( d , J = 2 . 8 Hz , 1 H ) , 6 . 83 ( d , J = 9 . 9 Hz , 1 H ) , 5 . 03 - 4 . 92 ( m , 2 H ) , 4 . 83 - 4 . 76 ( m , 2 H ) , 4 . 44 ( d , J = 10 . 0 Hz , 1 H ) , 4 . 16 - 4 . 05 ( m , 2 H ) , 3 . 97 ( d , J = 13 . 2 Hz , 1 H ) , 3 . 85 - 3 . 71 ( m , 1 H ) , 3 . 69 ( s , 3 H ) , 3 . 65 ( s , 3 H ) , 3 . 54 - 3 . 39 ( m , 2 H ) , 2 . 96 - 2 . 72 ( m , 3 H ) , 2 . 27 - 2 . 13 ( m , 2 H ) , 2 . 04 - 1 . 91 ( m , 2 H ) , 1 . 14 ( s , 3 H ) , 1 . 11 ( s , 3 H ) , 0 . 86 ( s , 9 H ) .