8 i , 연한 노란색 오 일 : 1 H - NMR ( CDCl 3 , 400 MHz ) δ 121 - 1 . \% ( m , 5 H ) , 6 . 85 - 6 . 76 ( m , 8 H ) , 4 . 93 ( d , J = 14 . 1 Hz , 1 H ) , 4 . 84 ( d , J = 14 . 1 Hz , 1 H ) , 4 . 62 ( d , J = 12 . 0 Hz , 1 H ) , 4 . 33 ( d , J = 12 . 0 Hz , 1 H ) , 3 . 84 ( dd , J = 8 . 5 , 4 . 0 Hz , 1 H ) , 3 . 79 ( s , 3 H ) , 3 . 76 ( s , 3 H ) , 3 . 66 ( s , 3 H ) , 2 . 20 ( t , J = 7 . 4 Hz , 2 H ) , 1 . 74 ( m , 2 H ) , 1 . 58 ( m , 2 H ) , 1 . 51 ( m , 2 H ) , 1 . 34 ( m , 2 H ) . 13 C - NMR ( CDCl 3 , 100 MHz ) ( 5 . 173 . 8 , 171 . 5 , 159 . 3 ( 2 C ) , 140 . 7 , 139 . 2 , 138 . 5 , 129 . 1 ( 2 C ) , 129 . 0 , 128 . 9 , 128 . 2 ( 2 C ) , 127 . 8 , 120 . 9 , 119 . 7 ( 2 C ) , 113 . 7 , 113 . 1 , 112 . 6 , 74 . 7 , 70 . 7 , 54 . 8 ( 2 C ) , 52 . 9 , 51 . 1 , 33 . 5 , 32 . 1 , 28 . 1 , 24 . 5 , 24 . 3 . MS ( ESI ) m / z : 520 . 2 ( M + l ) .