화합물 154 - E 2 LC / MS ESI 438 ( M + H ) + 1 H NMR ( 400 MHz , MeOD ) δ 7 . 30 ? 7 . 14 ( m , 4 H ) , 7 . 04 ( d , J = 7 . 2 Hz , 1 H ) , 6 . 28 ( d , J = 7 . 2 Hz , 1 H ) , 4 . 34 ( s , 1 H ) , 4 . 06 ( s , 1 H ) , 3 . 43 - 2 . 99 ( m , 8 H ) , 2 . 62 ? 2 . 42 ( m , 6 H ) , 2 . 15 ? 1 . 46 ( m , 8 H ) , 1 . 25 ( t , 3 H ) . 키 랄 SFC A ( 40 % MeOH ) : ee 100 %, Rt = 3 . 59 분 .