1 H NMR ( 400 MHz , 메탄올 - d 4 ) δ 8 . 69 ( d , J = 2 . 3 Hz , 1 H ) , 8 . 59 ( d , J = 2 . 3 Hz , 1 H ) , 8 . 52 ( s , 1 H ) , 8 . 40 ( s , 1 H ) , 7 . 96 ( d , J = 5 . 2 Hz , 1 H ) , 7 . 23 ( d , J = 5 . 0 Hz , 1 H ) , 3 . 96 ( t , J = 13 . 7 Hz , 2 H ) , 3 . 48 ( q , J = 7 . 1 Hz , 4 H ) , 3 . 16 - 3 . 10 ( m , 1 H ) , 2 . 99 ( s , 1 H ) , 2 . 85 ( s , 1 H ) , 2 . 26 ( t , J = 7 . 9 Hz , 6 H ) , 2 . 02 ( s , 1 H ) , 1 . 90 ( t , J = 7 . 9 Hz , 6 H ) , 1 . 36 ( dd , J = 6 . 7 , 3 . 2 Hz , 2 H ) , 1 . 28 ( s , 1 H ) , 1 . 17 ( t , J = 7 . 0 Hz , 5 H ) , 0 . 92 - 0 . 84 ( m , 1 H ) .