1 H NMR ( 400 MHz , 메탄올 - d 4 ) δ 8 . 25 ( d , J = 1 . 9 Hz , 1 H ) , 8 . 19 ( d , J = 9 . 4 Hz , 1 H ) , 7 . 74 ( d , J = 2 . 5 Hz , 1 H ) , 7 . 69 ( dd , J = 8 . 6 , 2 . 3 Hz , 1 H ) , 7 . 38 ( d , J = 8 . 4 Hz , 2 H ) , 7 . 32 ( d , J = 7 . 8 Hz , 2 H ) , 7 . 22 ( d , J = 8 . 0 Hz , 2 H ) , 6 . 82 ( d , J = 9 . 9 Hz , 1 H ) , 6 . 75 ( d , J = 2 . 4 Hz , 1 H ) , 6 . 66 ( d , J = 8 . 8 Hz , 1 H ) , 6 . 39 - 6 . 05 ( m , 1 H ) , 5 . 06 - 5 . 02 ( m , 1 H ) , 4 . 74 - 4 . 67 ( m , 1 H ) , 4 . 65 - 4 . 53 ( m , 2 H ) , 4 . 50 ( s , 1 H ) , 4 . 44 ( d , J = 9 . 9 Hz , 1 H ) , 4 . 31 ( d , J = 10 . 0 Hz , 1 H ) , 4 . 13 ( d , J = 13 . 4 Hz , 2 H ) , 3 . 93 ( d , J = 13 . 3 Hz , 1 H ) , 3 . 83 - 3 . 72 ( m , 2 H ) , 3 . 69 ( s , 3 H ) , 3 . 66 ( s , 3 H ) , 2 . 94 - 2 . 72 ( m , 2 H ) , 2 . 33 ( s , 2 H ) , 1 . 16 ( s , 3 H ) , 1 . 14 ( s , 3 H ) , 1 . 11 ( s , 3 H ) , 1 . 02 ( s , 3 H ) .