1 H 　 NMR ( DMSO - d 6 , 400 MHz ) δ 10 . 35 ( s , 1 H ) , 9 . 66 ( s , 1 H ) , 9 . 16 ( s , 1 H ) , 7 . 76 ( br , 2 H ) , 7 . 68 ( s , 1 H ) , 6 . 99 ( d , J = 8 Hz , 2 H ) , 6 . 84 ( s , 1 H ) , 6 . 75 ( s , 1 H ) , 4 . 62 ( br , 1 H ) , 3 . 92 ( s , 3 H ) , 3 . 80 ( s , 3 H ) , 3 . 57 ( t , J = 6 Hz , 2 H ) , 3 . 16 - 3 . 14 ( m , 4 H ) , 2 . 68 - 2 . 64 ( m , 4 H ) , 2 . 55 - 2 . 51 ( m , 2 H ) ( 화합물 32 ) ;