화합물 13 - E 2 ? ? LC / MS B : 97 % 순도 , UV = 214 nm , Rt = 1 . 23 분 , ESI 423 . 7 ( M + H ) +. 1 H NMR δ 7 . 54 - 7 . 53 ( 400 MHz 의 MeOD ) ( m , 2 H ) , 7 . 39 - 7 . 24 ( m , 3 H ) , 7 . 16 ( d , J = 7 . 3 ㎐, 1 H ) , 6 . 39 ( d , J = 7 . 3 ㎐, 1 H ) 4 . 04 ( S , 1 H ) , 3 . 38 ( t , J = 5 . 6 ㎐, 2 H ) , 3 . 28 - 3 . 18 ( m , 2 H ) , 3 . 05 - 2 . 83 ( m , 4 H ) , 2 . 71 ( t , J = 6 . 2 ㎐, 2 H ) , 2 . 58 - 2 . 52 ( m , 3 H ) , 2 . 09 - 1 . 87 ( m , 6 H ) .