1 H NMR ( 400 MHz , 메탄올 - d 4 ) δ 8 . 50 ( s , 1 H ) , 7 . 52 ( d , J = 8 . 0 Hz , 2 H ) , 7 . 43 ( d , J = 8 . 1 Hz , 2 H ) , 6 . 99 ( d , J = 8 . 1 Hz , 2 H ) , 4 . 44 ( s , 1 H ) , 4 . 30 ( s , 1 H ) , 4 . 17 - 4 . 03 ( m , 3 H ) , 3 . 93 ( d , J = 13 . 2 Hz , 1 H ) , 3 . 71 ( s , 4 H ) , 3 . 66 ( s , 3 H ) , 2 . 86 - 2 . 67 ( m , 5 H ) , 2 . 45 ( s , 7 H ) , 1 . 16 ( s , 4 H ) , 1 . 14 ( s , 3 H ) , 1 . 11 ( s , 3 H ) , 1 . 02 ( s , 3 H ) , 0 . 89 ( d , J = 6 . 7 Hz , 1 H ) .