1 H NMR ( 400 MHz , 메탄올 - d 4 ) δ 8 . 86 ( d , J = 4 . 8 Hz , 1 H ) , 8 . 29 ( d , J = 2 . 2 Hz , 0 H ) , 7 . 97 ( d , J = 8 . 9 Hz , 1 H ) , 7 . 70 ( dd , J = 8 . 8 , 2 . 3 Hz , 1 H ) , 7 . 39 ( t , J = 4 . 9 Hz , 1 H ) , 7 . 32 ( d , J = 7 . 8 Hz , 1 H ) , 7 . 21 ( d , J = 7 . 9 Hz , 1 H ) , 6 . 95 ( d , J = 8 . 9 Hz , 1 H ) , 6 . 77 ( d , J = 9 . 9 Hz , 0 H ) , 4 . 84 ( s , 15 H ) , 4 . 57 - 4 . 31 ( m , 1 H ) , 4 . 16 ( d , J = 14 . 1 Hz , 1 H ) , 3 . 98 ( d , J = 35 . 4 Hz , 2 H ) , 3 . 76 ( s , 1 H ) , 3 . 67 ( d , J = 14 . 2 Hz , 4 H ) , 3 . 04 - 2 . 69 ( m , 2 H ) , 2 . 02 ( s , 1 H ) , 1 . 27 ( d , J = 13 . 9 Hz , 1 H ) , 1 . 12 ( d , J = 14 . 5 Hz , 3 H ) , 0 . 85 ( s , 5 H ) .