1 H NMR ( 400 MHz , 메탄올 - d 4 ) δ 8 . 53 ( s , 2 H ) , 8 . 19 ( d , J = 9 . 3 Hz , 1 H ) , 7 . 74 ( d , J = 2 . 4 Hz , 1 H ) , 7 . 37 ( d , J = 8 . 5 Hz , 2 H ) , 7 . 34 ( d , J = 8 . 1 Hz , 2 H ) , 7 . 23 ( d , J = 8 . 1 Hz , 2 H ) , 7 . 15 ( d , J = 10 . 0 Hz , 1 H ) , 6 . 81 ( d , J = 9 . 9 Hz , 1 H ) , 6 . 74 ( d , J = 2 . 4 Hz , 1 H ) , 6 . 22 ( tt , J = 55 . 3 , 4 . 0 Hz , 1 H ) , 5 . 02 - 4 . 93 ( m , 2 H ) , 4 . 83 - 4 . 78 ( m , 2 H ) , 4 . 77 ( s , 1 H ) , 4 . 60 ( td , J = 14 . 3 , 3 . 9 Hz , 2 H ) , 4 . 44 ( d , J = 10 . 0 Hz , 1 H ) , 4 . 31 ( d , J = 10 . 0 Hz , 1 H ) , 4 . 22 - 4 . 03 ( m , 4 H ) , 3 . 93 ( d , J = 13 . 2 Hz , 1 H ) , 3 . 72 ( s , 2 H ) , 3 . 69 ( s , 3 H ) , 3 . 66 ( s , 3 H ) , 3 . 51 - 3 . 40 ( m , 2 H ) , 2 . 96 - 2 . 81 ( m , 3 H ) , 2 . 81 - 2 . 72 ( m , 1 H ) , 2 . 27 - 2 . 12 ( m , 2 H ) , 2 . 04 - 1 . 94 ( m , 2 H ) , 1 . 16 ( s , 3 H ) , 1 . 14 ( s , 3 H ) , 1 . 11 ( s , 3 H ) , 1 . 03 ( s , 3 H ) .