δ 8 . 06 ( d , 2 H , J = 8 . 5 ㎐), 7 . 59 ( d , 2 H , J = 8 . 0 ㎐), 3 . 49 ( t , 2 H , J = 7 . 5 ㎐), 3 . 12 ( t , 2 H , J = 7 . 5 ㎐), 1 . 70 - 1 . 64 ( m , 2 H ) , 1 . 52 - 1 . 48 ( m , 2 H ) , 1 . 40 - 1 . 32 ( m , 6 H ) , 1 . 25 - 1 . 18 ( m , 2 H ) , 1 . 18 - 1 . 08 ( m , 4 H ) , 0 . 93 - 0 . 90 ( m , 3 H ) , 0 . 84 ( t , 3 H , J = 7 . 3 z )