화합물 84 LC / MS A : 98 % 순도 , UV = 214 nm , Rt = 1 . 45 분 , ESI 522 . 0 ( M + H ) +. 1 H NMR ( 500 MHz , 메탄올 - d 4 ) δ 7 . 74 ( t , J = 1 . 9 Hz , 1 H ) , 7 . 71 ? 7 . 66 ( m , 1 H ) , 7 . 52 ? 7 . 48 ( m , 1 H ) , 7 . 43 ? 7 . 38 ( m , 1 H ) , 7 . 23 ( d , J = 7 . 4 Hz , 1 H ) , 6 . 43 ( d , J = 7 . 4 Hz , 1 H ) , 3 . 67 ( t , J = 7 . 1 Hz , 1 H ) , 3 . 59 ? 3 . 46 ( m , 2 H ) , 3 . 45 ? 3 . 37 ( m , 4 H ) , 3 . 26 ? 3 . 20 ( m , 4 H ) , 3 . 02 ? 2 . 91 ( m , 2 H ) , 2 . 73 ( t , J = 6 . 3 Hz , 2 H ) , 2 . 58 ( t , J = 7 . 7 Hz , 2 H ) , 2 . 49 ? 2 . 38 ( m , 1 H ) , 2 . 00 ? 1 . 78 ( m , 8 H ) , 1 . 25 ( t , J = 7 . 3 Hz , 3 H ) .