화합물 125 LC / MS F : 95 % 순도 , UV 254 nm , Rt = 3 . 399 분 , ESI 485 . 2 ( M + H ) . 1 H NMR ( 400 MHz , DMSO - d 6 ) δ 9 . 80 ( s , 1 H ) , 7 . 56 ( d , J = 2 . 3 Hz , 1 H ) , 7 . 48 ? 7 . 25 ( m , 6 H ) , 7 . 19 ( d , J = 7 . 4 Hz , 1 H ) , 7 . 11 ( d , J = 8 . 3 Hz , 1 H ) , 6 . 45 ( d , J = 7 . 2 Hz , 1 H ) , 6 . 38 ( bs , 1 H ) , 3 . 31 - 3 . 26 ( s , 4 H ) , 3 . 22 ? 3 . 18 ( m , 1 H ) , 2 . 79 ? 3 . 72 ( m , 1 H ) , 2 . 69 ( t , J = 6 . 3 Hz , 2 H ) , 2 . 43 ? 2 . 32 ( m , 1 H ) , 2 . 25 ? 2 . 13 ( m , 4 H ) , 1 . 84 ? 1 . 70 ( m , 6 H ) .