1 H 　 NMR ( DMSO - d 6 , 400 MHz ) δ 10 . 31 ( s , 1 H ) , 9 . 65 ( s , 1 H ) , 9 . 15 ( s , 1 H ) , 7 . 76 ( s , 2 H ) , 7 . 68 ( s , 1 H ) , 7 . 00 ( d , J = 8 Hz , 2 H ) , 6 . 86 ( s , 1 H ) , 6 . 76 ( s , 1 H ) , 3 . 93 ( s , 3 H ) , 3 . 81 ( s , 3 H ) , 3 . 72 - 3 . 57 ( m , 6 H ) , 2 . 67 - 2 . 51 ( m , 5 H ) , 2 . 46 - 2 . 16 ( m , 2 H ) , 1 . 93 - 1 . 86 ( m , 2 H ) , 1 . 58 - 1 . 51 ( m , 2 H ) ( 화합물 29 ) ;