화합물 198 - E 1 LC / MS ESI 424 . 1 ( M + H ) +. 1 H NMR ( 500 MHz , MeOD ) δ 7 . 43 ( d , J = 7 . 7 Hz , 1 H ) , 7 . 32 ( dd , J = 7 . 3 , 5 . 5 Hz , 2 H ) , 7 . 26 ? 7 . 21 ( m , 1 H ) , 7 . 17 ( d , J = 7 . 3 Hz , 1 H ) , 6 . 39 ( d , J = 7 . 3 Hz , 1 H ) , 5 . 01 ( s , 1 H ) , 4 . 29 ( d , J = 4 . 8 Hz , 2 H ) , 3 . 97 ( s , 1 H ) , 3 . 81 ( s , 1 H ) , 3 . 62 ( s , 1 H ) , 3 . 46 ? 3 . 40 ( m , 4 H ) , 2 . 97 ? 2 . 92 ( m , 2 H ) , 2 . 72 ( t , J = 6 . 2 Hz , 2 H ) , 2 . 56 ( t , J = 7 . 6 Hz , 2 H ) , 1 . 92 ? 1 . 86 ( m , 2 H ) , 1 . 76 ? 1 . 70 ( m , 2 H ) , 1 . 64 ? 1 . 57 ( m , 2 H ) , 1 . 34 ( t , J = 7 . 6 Hz , 3 H ) . 키 랄 HPLC K ( 50 % EtOH ) : ee 100 %, Rt = 5 . 40 분 .