화합물 196 - E 1 LC / MS ESI 452 . 2 . 1 ( M + H ) +. 1 H NMR ( 500 MHz , MeOD ) δ 7 . 51 ( d , J = 7 . 7 Hz , 1 H ) , 7 . 26 ? 7 . 21 ( m , 2 H ) , 7 . 19 ? 7 . 13 ( m , 1 H ) , 7 . 03 ( d , J = 7 . 3 Hz , 1 H ) , 6 . 27 ( d , J = 7 . 3 Hz , 1 H ) , 4 . 11 ( s , 1 H ) , 3 . 51 ? 3 . 36 ( m , 3 H ) , 3 . 31 ? 3 . 26 ( m , 2 H ) , 3 . 16 ( d , J = 12 . 6 Hz , 1 H ) , 2 . 94 ( s , 2 H ) , 2 . 76 ( ddd , J = 14 . 9 , 7 . 4 , 2 . 9 Hz , 2 H ) , 2 . 60 ( t , J = 6 . 3 Hz , 2 H ) , 2 . 44 ( t , J = 7 . 5 Hz , 2 H ) , 2 . 07 ? 1 . 90 ( m , 2 H ) , 1 . 78 ( dt , J = 12 . 3 , 6 . 2 Hz , 2 H ) , 1 . 60 ? 1 . 32 ( m , 7 H ) , 1 . 23 ( t , J = 7 . 6 Hz , 3 H ) .