화합물 47 LC / MS A : 99 % 순도 , UV = 214 nm , Rt = 1 . 37 분 , ESI 347 . 4 ( M + H ) + . 1 H NMR ( 400 MHz , MeOD ) δ 7 . 06 ( d , J = 7 . 1 Hz , 1 H ) , 6 . 28 ( d , J = 7 . 2 Hz , 1 H ) , 4 . 50 ? 4 . 33 ( m , 1 H ) , 4 . 22 ( s , 1 H ) , 4 . 04 ( s , 1 H ) , 3 . 89 ? 3 . 39 ( m , 3 H ) , 3 . 36 ? 3 . 25 ( m , 2 H ) , 2 . 67 ? 2 . 38 ( m , 4 H ) , 2 . 13 ( t , J = 7 . 3 Hz , 2 H ) , 1 . 91 ? 1 . 70 ( m , 4 H ) , 1 . 24 ( d , J = 6 . 8 Hz , 3 H ) .