1 H - NMR ( CDCl 3 ) : 7 . 968 ( d , 1 H , J = 8 Hz ) , 7 . 369 ~ 7 . 208 ( m , 5 H ) , 7 . 011 ( d , 1 H , J = 8 . 4 Hz ) , 6 . 905 ( d , 1 H , J = 8 Hz ) , 6 . 840 ( s , 1 H ) , 6 . 539 ( d , 1 H , J = 8 Hz ) , 6 . 356 ( d , 1 H , J = 10 Hz ) , 5 . 474 ( d , 1 H , J = 9 . 6 Hz ) , 5 . 153 ( s , 2 H ) , 5 . 127 ( s , 2 H ) , 4 . 516 ( d , 2 H , J = 6 . 4 Hz ) , 3 . 298 ( t , 1 H , J = 6 . 8 Hz ) , 2 . 625 ( t , 2 H , J = 7 . 6 Hz ) , 1 . 626 ~ 1 . 592 ( m , 2 H ) , 1 . 417 ~ 1 . 216 ( m , 10 H ) , 0 . 887 ( t , 3 H , J = 6 . 4 Hz )