화합물 65 LC / MS A : 100 % 순도 , UV = 214 nm , Rt = 1 . 45 분 , ESI 405 . 2 ( M + H ) +. 1 H NMR ( 500 MHz , DMSO - d 6 ) δ 7 . 23 ( d , J = 7 . 3 Hz , 1 H ) , 7 . 12 ( s , 1 H ) , 6 . 36 ( d , J = 7 . 3 Hz , 1 H ) , 4 . 29 ( d , J = 12 . 8 Hz , 1 H ) , 3 . 98 ( d , J = 13 . 4 Hz , 1 H ) , 3 . 39 ? 3 . 11 ( m , 6 H ) , 3 . 05 ? 2 . 91 ( m , 2 H ) , 2 . 70 ? 2 . 52 ( m , 5 H ) , 2 . 44 ( d , J = 7 . 2 Hz , 2 H ) , 2 . 21 ? 2 . 04 ( m , 1 H ) , 1 . 99 ? 1 . 87 ( m , 1 H ) , 1 . 81 ? 1 . 72 ( m , 2 H ) , 1 . 67 ? 1 . 55 ( m , 2 H ) , 1 . 18 ? 0 . 96 ( m , 2 H ) .