화합물 80 LC / MS A : 100 % 순도 , UV = 214 nm , Rt = 1 . 48 분 , ESI 397 . 2 ( M + H ) +. 1 H NMR ( 500 MHz , 메탄올 - d 4 ) δ 7 . 51 ( d , J = 7 . 3 Hz , 1 H ) , 6 . 57 ( d , J = 7 . 3 Hz , 1 H ) , 3 . 48 ( t , J = 5 . 6 Hz , 2 H ) , 3 . 39 ? 3 . 33 ( m , 2 H ) , 3 . 28 ? 3 . 17 ( m , 3 H ) , 3 . 08 ? 3 . 01 ( m , 1 H ) , 2 . 92 ? 2 . 64 ( m , 6 H ) , 2 . 56 ( t , J = 11 . 1 Hz , 1 H ) , 2 . 17 ? 2 . 05 ( m , 1 H ) , 1 . 97 ? 1 . 85 ( m , 5 H ) .