1 H NMR ( 400 MHz , 메탄올 - d 4 ) δ 8 . 19 ( s , 1 H ) , 7 . 79 ( d , J = 8 . 8 Hz , 2 H ) , 7 . 35 ( d , J = 7 . 8 Hz , 2 H ) , 7 . 23 ( d , J = 8 . 1 Hz , 2 H ) , 7 . 17 ( d , J = 6 . 9 Hz , 2 H ) , 6 . 98 ( t , J = 10 . 5 Hz , 1 H ) , 4 . 69 ( t , J = 6 . 8 Hz , 2 H ) , 4 . 21 - 4 . 00 ( m , 4 H ) , 3 . 98 - 3 . 81 ( m , 5 H ) , 3 . 80 - 3 . 62 ( m , 9 H ) , 3 . 25 - 3 . 09 ( m , 2 H ) , 2 . 98 - 2 . 85 ( m , 2 H ) , 2 . 79 ( d , J = 6 . 6 Hz , 2 H ) , 2 . 30 - 2 . 08 ( m , 1 H ) , 2 . 02 - 1 . 72 ( m , 6 H ) , 0 . 87 ( d , J = 21 . 7 Hz , 22 H ) .