1 H NMR ( 400 MHz , 메탄올 - d 4 ) δ 8 . 43 - 8 . 31 ( m , 1 H ) , 8 . 20 ( d , J = 2 . 3 Hz , 1 H ) , 7 . 84 ( d , J = 9 . 0 Hz , 1 H ) , 7 . 60 ( dd , J = 8 . 8 , 2 . 3 Hz , 1 H ) , 7 . 24 ( d , J = 7 . 9 Hz , 2 H ) , 7 . 17 - 7 . 04 ( m , 4 H ) , 6 . 86 ( d , J = 9 . 0 Hz , 1 H ) , 6 . 77 ( d , J = 8 . 9 Hz , 1 H ) , 6 . 71 ( d , J = 10 . 0 Hz , 1 H ) , 4 . 87 ( t , J = 7 . 7 Hz , 4 H ) , 4 . 74 - 4 . 68 ( m , 4 H ) , 4 . 37 - 4 . 17 ( m , 6 H ) , 4 . 10 - 3 . 99 ( m , 6 H ) , 3 . 86 ( d , J = 13 . 1 Hz , 1 H ) , 3 . 67 - 3 . 62 ( m , 1 H ) , 3 . 60 ( s , 3 H ) , 3 . 56 ( s , 3 H ) , 3 . 34 - 3 . 25 ( m , 5 H ) , 2 . 81 ( d , J = 7 . 7 Hz , 2 H ) , 2 . 74 - 2 . 65 ( m , 1 H ) , 2 . 19 - 2 . 10 ( m , 4 H ) , 2 . 03 - 1 . 93 ( m , 4 H ) , 1 . 07 ( s , 3 H ) , 1 . 05 ( s , 3 H ) , 1 . 02 ( s , 3 H ) , 0 . 93 ( s , 3 H ) .