1 H NMR ( 400 MHz , 메탄올 - d 4 ) δ 8 . 52 ( s , 1 H ) , 8 . 20 - 8 . 01 ( m , 1 H ) , 7 . 67 ( s , 0 H ) , 7 . 52 ( s , 0 H ) , 7 . 44 ( d , J = 8 . 2 Hz , 1 H ) , 7 . 40 - 7 . 29 ( m , 1 H ) , 7 . 23 ( d , J = 8 . 2 Hz , 1 H ) , 7 . 09 ( d , J = 9 . 9 Hz , 0 H ) , 6 . 93 ( d , J = 2 . 8 Hz , 1 H ) , 6 . 77 ( d , J = 9 . 9 Hz , 0 H ) , 4 . 90 ( t , J = 7 . 7 Hz , 1 H ) , 4 . 52 - 4 . 27 ( m , 2 H ) , 4 . 14 ( d , J = 13 . 5 Hz , 2 H ) , 3 . 94 ( d , J = 13 . 1 Hz , 1 H ) , 3 . 67 ( d , J = 10 . 3 Hz , 4 H ) , 2 . 98 - 2 . 72 ( m , 2 H ) , 1 . 28 - 1 . 06 ( m , 5 H ) , 1 . 02 ( s , 1 H ) .