1 H NMR ( 400 MHz , 메탄올 - d 4 ) δ 8 . 65 ( s , 2 H ) , 8 . 14 ( d , J = 9 . 2 Hz , 1 H ) , 7 . 72 ( d , J = 2 . 4 Hz , 1 H ) , 7 . 39 ( dd , J = 17 . 0 , 8 . 2 Hz , 4 H ) , 7 . 31 ( d , J = 7 . 8 Hz , 2 H ) , 6 . 83 ( d , J = 9 . 8 Hz , 1 H ) , 6 . 73 ( d , J = 2 . 4 Hz , 1 H ) , 6 . 21 ( tt , J = 55 . 4 , 3 . 9 Hz , 1 H ) , 4 . 96 ( t , J = 7 . 6 Hz , 2 H ) , 4 . 76 ( s , 1 H ) , 4 . 59 ( td , J = 14 . 3 , 4 . 0 Hz , 2 H ) , 4 . 49 - 4 . 41 ( m , 1 H ) , 4 . 12 ( d , J = 20 . 4 Hz , 4 H ) , 3 . 96 ( d , J = 13 . 1 Hz , 1 H ) , 3 . 76 ( s , 2 H ) , 3 . 62 ( s , 3 H ) , 3 . 56 ( s , 3 H ) , 3 . 47 ( d , J = 14 . 5 Hz , 2 H ) , 2 . 92 ( t , J = 8 . 4 Hz , 2 H ) , 2 . 80 ( d , J = 9 . 5 Hz , 2 H ) , 2 . 26 - 2 . 10 ( m , 2 H ) , 2 . 01 ( d , J = 9 . 2 Hz , 2 H ) , 1 . 13 ( s , 3 H ) , 1 . 09 ( s , 3 H ) , 0 . 85 ( s , 9 H ) .