화합물 155 - E 2 LC / MS ESI 438 ( M + H ) + 1 H NMR ( 400 MHz , MeOD ) δ 7 . 62 ( d , J = 7 . 6 , 1 H ) , 7 . 32 ? 7 . 14 ( m , 4 H ) , 6 . 38 ( d , J = 7 . 2 Hz , 1 H ) , 4 . 73 ( s , 1 H ) , 4 . 15 ( s , 1 H ) , 3 . 53 - 3 . 15 ( m , 8 H ) , 2 . 91 ? 2 . 53 ( m , 6 H ) , 2 . 18 ? 1 . 56 ( m , 8 H ) , 1 . 35 ( t , 3 H ) . 키 랄 SFC F ( 30 % MeOH ) : ee 100 %, Rt = 6 . 54 분 .