화합물 34 LC / MS B : 96 % 순도 , UV = 214 nm , Rt = 1 . 285 분 , ESI 376 . 3 ( M + H ) +. 1 H NMR ( 400 MHz , CD 3 OD ) δ 7 . 48 ( d , J = 7 . 6 Hz , 1 H ) , 6 . 53 ( d , J = 7 . 6 Hz , 1 H ) , 4 . 12 ( s , 2 H ) , 3 . 94 ( s , 2 H ) , 3 . 76 - 3 . 74 ( m , 2 H ) , 3 . 52 - 3 . 49 ( m , 2 H ) , 3 . 46 - 3 . 43 ( m , 2 H ) , 3 . 30 - 3 . 28 ( m , 2 H ) , 2 . 79 - 2 . 75 ( m , 2 H ) , 2 . 70 - 2 . 66 ( m , 2 H ) , 1 . 93 - 1 . 90 ( m , 2 H ) , 1 . 79 - 1 . 75 ( m , 2 H ) .