1 H NMR ( 400 MHz , 메탄올 - d 4 ) δ 8 . 51 ( d , J = 0 . 7 Hz , 1 H ) , 8 . 11 ( s , 2 H ) , 7 . 70 ( dd , J = 8 . 9 , 2 . 3 Hz , 1 H ) , 7 . 35 - 7 . 31 ( m , 2 H ) , 7 . 26 - 7 . 20 ( m , 4 H ) , 6 . 87 - 6 . 84 ( m , 1 H ) , 4 . 44 ( d , J = 6 . 5 Hz , 1 H ) , 4 . 33 - 4 . 22 ( m , 6 H ) , 4 . 19 - 4 . 04 ( m , 7 H ) , 3 . 93 ( d , J = 13 . 2 Hz , 1 H ) , 3 . 68 ( d , J = 9 . 4 Hz , 9 H ) , 3 . 54 ( s , 3 H ) , 3 . 43 ( d , J = 13 . 7 Hz , 3 H ) , 2 . 93 - 2 . 73 ( m , 5 H ) , 2 . 28 ( dd , J = 8 . 6 , 3 . 7 Hz , 2 H ) , 2 . 13 - 2 . 05 ( m , 2 H ) , 1 . 19 - 1 . 10 ( m , 9 H ) , 1 . 04 ( s , 3 H ) .