화합물 194 - E 1 LC / MS ESI 492 . 1 ( M + H ) +. 1 H NMR ( 500 MHz , MeOD ) δ 7 . 81 ? 7 . 69 ( m , 4 H ) , 7 . 22 ( d , J = 7 . 3 Hz , 1 H ) , 6 . 42 ( d , J = 7 . 3 Hz , 1 H ) , 4 . 54 ( s , 1 H ) , 4 . 17 ( s , 1 H ) , 3 . 49 ? 3 . 36 ( m , 5 H ) , 3 . 21 ( s , 1 H ) , 3 . 12 ( s , 1 H ) , 2 . 93 ( s , 1 H ) , 2 . 72 ( t , J = 6 . 2 Hz , 2 H ) , 2 . 58 ( t , J = 7 . 8 Hz , 2 H ) , 2 . 13 ? 2 . 08 ( m , 2 H ) , 1 . 93 ? 1 . 85 ( m , 2 H ) , 1 . 78 ? 1 . 56 ( m , 4 H ) , 1 . 54 ? 1 . 39 ( m , 2 H ) .