1 H NMR ( 400 MHz , 메탄올 - d 4 ) ) δ 8 . 30 ( d , J = 2 . 2 Hz , 1 H ) , 7 . 70 ( dd , J = 8 . 8 , 2 . 3 Hz , 1 H ) , 7 . 61 ( d , J = 2 . 3 Hz , 1 H ) , 7 . 33 ( d , J = 7 . 7 Hz , 5 H ) , 7 . 23 ( d , J = 7 . 8 Hz , 2 H ) , 6 . 86 ( d , J = 8 . 9 Hz , 1 H ) , 6 . 65 ( d , J = 2 . 3 Hz , 1 H ) , 4 . 96 ( t , J = 7 . 6 Hz , 2 H ) , 4 . 82 - 4 . 77 ( m , 2 H ) , 4 . 35 ( d , J = 13 . 8 Hz , 2 H ) , 4 . 13 ( d , J = 13 . 4 Hz , 4 H ) , 3 . 93 ( s , 6 H ) , 3 . 67 ( d , J = 6 . 4 Hz , 8 H ) , 3 . 38 ( d , J = 13 . 9 Hz , 2 H ) , 3 . 00 - 2 . 77 ( m , 5 H ) , 2 . 31 - 2 . 20 ( m , 2 H ) , 2 . 14 - 2 . 04 ( m , 2 H ) , 0 . 87 ( d , J = 20 . 7 Hz , 21 H ) .