화합물 37 LC / MS A : 96 . 8 % 순도 , UV = 214 nm , Rt = 1 . 31 분 , ESI 347 . 2 ( M + H ) +. 1 H NMR ( 400 MHz , CD 3 OD ) δ 7 . 17 ( d , J = 7 . 2 Hz , 1 H ) , 6 . 38 ( d , J = 7 . 2 Hz , 1 H ) , 3 . 62 - 3 . 57 ( m , 4 H ) , 3 . 48 - 3 . 36 ( m , 4 H ) , 3 . 03 - 2 . 96 ( m , 2 H ) , 2 . 73 - 2 . 69 ( m , 4 H ) , 2 . 50 - 2 . 44 ( m , 1 H ) , 2 . 02 - 1 . 86 ( m , 6 H ) .