화합물 191 - E 1 LC / MS ESI 517 . 2 ( M + H ) +. 1 H NMR ( 500 MHz , MeOD ) δ 7 . 76 - 7 . 71 ( m , 4 H ) , 7 . 20 - 7 . 18 ( m , 1 H ) , 6 . 40 - 6 . 38 ( m , 1 H ) , 4 . 41 ( s , 1 H ) , 4 . 31 ? 4 . 24 ( m , 1 H ) , 4 . 07 ? 4 . 00 ( m , 1 H ) , 3 . 93 ( d , J = 31 . 7 Hz , 1 H ) , 3 . 59 - 3 . 53 ( m , 1 H ) , 3 . 48 ? 3 . 34 ( m , 3 H ) , 3 . 17 ( d , J = 19 . 1 Hz , 2 H ) , 2 . 98 ( d , J = 41 . 3 Hz , 2 H ) , 2 . 72 ( t , J = 6 . 1 Hz , 2 H ) , 2 . 68 ? 2 . 59 ( m , 1 H ) , 2 . 56 ? 2 . 48 ( m , 2 H ) , 2 . 24 ( d , J = 7 . 2 Hz , 1 H ) , 2 . 08 ( s , 1 H ) , 1 . 96 - 1 . 90 ( m , 4 H ) . 키 랄 HPLC J ( 30 % EtOH ) : ee 100 %, Rt = 13 . 53 분 .