1 H NMR ( 400 MHz , 메탄올 - d 4 ) δ 8 . 57 ( s , 2 H ) , 8 . 19 ( d , J = 9 . 4 Hz , 0 H ) , 8 . 11 ( d , J = 2 . 8 Hz , 1 H ) , 7 . 70 - 7 . 51 ( m , 4 H ) , 7 . 44 ( d , J = 8 . 2 Hz , 2 H ) , 7 . 36 ( d , J = 7 . 9 Hz , 2 H ) , 7 . 28 - 7 . 20 ( m , 2 H ) , 6 . 93 ( d , J = 2 . 8 Hz , 1 H ) , 4 . 65 ( d , J = 7 . 4 Hz , 2 H ) , 4 . 49 - 4 . 41 ( m , 2 H ) , 4 . 37 - 4 . 28 ( m , 2 H ) , 4 . 27 - 4 . 11 ( m , 4 H ) , 3 . 91 ( dd , J = 25 . 4 , 13 . 9 Hz , 2 H ) , 3 . 73 ( s , 2 H ) , 3 . 70 ( s , 3 H ) , 3 . 67 ( s , 3 H ) , 2 . 94 - 2 . 83 ( m , 3 H ) , 2 . 83 - 2 . 70 ( m , 1 H ) , 2 . 09 ( t , J = 11 . 9 Hz , 1 H ) , 1 . 18 - 1 . 13 ( m , 6 H ) , 1 . 12 ( s , 3 H ) , 1 . 02 ( s , 3 H ) .