1 H NMR ( 400 MHz , 메탄올 - d 4 ) δ 8 . 79 - 8 . 72 ( m , 1 H ) , 8 . 64 ( dd , J = 2 . 2 , 0 . 4 Hz , 1 H ) , 8 . 54 ( s , 1 H ) , 8 . 00 ( d , J = 5 . 0 Hz , 1 H ) , 7 . 85 ( s , 1 H ) , 7 . 21 ( d , J = 5 . 1 , 0 . 4 Hz , 1 H ) , 3 . 94 - 3 . 78 ( m , 2 H ) , 3 . 79 - 3 . 60 ( m , 2 H ) , 2 . 25 - 2 . 19 ( m , 2 H ) , 2 . 09 - 2 . 03 ( m , 3 H ) , 1 . 99 ( d , J = 14 . 0 Hz , 3 H ) , 1 . 95 ( s , 3 H ) , 1 . 93 ( s , 3 H ) , 1 . 65 - 1 . 29 ( m , 8 H ) .