화합물 177 - E 2 LC / MS ESI 438 ( M + H ) + 1 H NMR ( 400 MHz , MeOD ) δ 8 . 51 ( s , 1 H ) , 7 . 49 ( d , J = 7 . 6 Hz , 1 H ) , 7 . 18 ( s , 2 H ) , 7 . 08 ( s , 1 H ) , 6 . 55 ( d , J = 7 . 2 Hz , 1 H ) , 4 . 59 ( s , 1 H ) , 4 . 20 ( s , 1 H ) , 3 . 50 ? 3 . 10 ( m , 9 H ) , 2 . 80 - 2 . 68 ( m , 4 H ) , 2 . 31 - 2 . 15 ( m , 8 H ) , 1 . 93 - 1 . 65 ( m , 6 H ) .