화합물 68 LC / MS B : 100 % 순도 , UV = 214 nm , Rt = 1 . 05 분 , ESI 427 . 0 ( M + H ) +. 1 H NMR ( 400 MHz , 메탄올 - d 4 ) δ 5 . 87 ( d , J = 7 . 3 Hz , 1 H ) , 4 . 93 ( d , J = 7 . 3 Hz , 1 H ) , 2 . 90 ( d , J = 13 . 3 Hz , 1 H ) , 2 . 55 ? 2 . 39 ( m , 3 H ) , 1 . 98 ( s , 2 H ) , 1 . 73 ? 1 . 62 ( m , 2 H ) , 1 . 51 ( t , J = 12 . 6 Hz , 1 H ) , 1 . 23 ? 1 . 13 ( m , 2 H ) , 1 . 07 ? 0 . 93 ( m , 3 H ) , 0 . 75 ? 0 . 04 ( m , 14 H ) , - 0 . 29 ? - 0 . 54 ( m , 2 H ) .