화합물 142 LC / MS ESI 483 ( M + H ) +. 1 H NMR ( 400 MHz , MeOD ) δ 7 . 50 ( d , J = 8 . 8 , 2 H ) , 7 . 32 ( d , J = 8 . 4 , 2 H ) , 7 . 14 ( d , J = 7 . 2 Hz , 1 H ) , 6 . 35 ( d , J = 7 . 2 Hz , 1 H ) , 3 . 80 ( s , 1 H ) , 3 . 49 ? 3 . 31 ( m , 5 H ) , 2 . 95 ? 2 . 69 ( m , 6 H ) , 2 . 47 ( d , J = 9 . 2 Hz , 2 H ) , 2 . 37 ? 1 . 67 ( m , 11 H ) , 1 . 51 ? 1 . 38 ( m , 2 H ) .