1 H 　 NMR ( DMSO - d 6 , 400 MHz ) δ 10 . 35 ( s , 1 H ) , 9 . 64 ( s , 1 H ) , 9 . 13 ( s , 1 H ) , 7 . 78 ( br , 2 H ) , 7 . 65 ( s , 1 H ) , 7 . 02 ( d , J = 8 Hz , 2 H ) , 6 . 78 ( s , 1 H ) , 6 . 68 ( s , 1 H ) , 3 . 97 - 3 . 92 ( m , 2 H ) , 3 . 90 ( s , 3 H ) , 3 . 78 ( s , 3 H ) , 3 . 75 - 3 . 65 ( m , 2 H ) , 3 . 46 - 3 . 25 ( m , 4 H ) , 3 . 06 - 2 . 82 ( m , 4 H ) , 2 . 69 - 2 . 54 ( m , 1 H ) ( 화합물 42 ) ;