화합물 97 LC / MS A : 100 % 순도 , UV = 214 nm , Rt = 1 . 52 분 , ESI 476 ( M + H ) +. 1 H NMR ( 500 MHz , MeOD ) δ 7 . 78 ( d , J = 7 . 9 Hz , 1 H ) , 7 . 54 ( s , 1 H ) , 7 . 43 ( d , J = 8 . 1 Hz , 1 H ) , 7 . 18 ( t , J = 7 . 3 Hz , 1 H ) , 7 . 12 ( t , J = 6 . 9 Hz , 2 H ) , 6 . 36 ( d , J = 7 . 3 Hz , 1 H ) , 4 . 84 ( s , 1 H ) , 3 . 69 ( s , 1 H ) , 3 . 36 ( d , J = 5 . 6 Hz , 3 H ) , 3 . 18 ( t , J = 6 . 9 Hz , 2 H ) , 3 . 05 ( t , J = 10 . 8 Hz , 1 H ) , 2 . 68 ( t , J = 6 . 2 Hz , 3 H ) , 2 . 52 ( t , J = 7 . 6 Hz , 2 H ) , 2 . 38 ( s , 1 H ) , 1 . 86 ( ddt , J = 21 . 9 , 14 . 3 , 11 . 8 Hz , 8 H ) .