1 H NMR ( 400 MHz , CDCl 3 ) δ ( ppm ) 10 . 80 ( brs , 2 H , 페놀 ) , 6 . 97 ( dd , 4 H , J = 2 . 5 , 11 . 6 Hz ) , 6 . 86 ( dd , 4 H , J = 2 . 4 , 7 . 4 Hz ) , 3 . 66 ( d , 4 H , J = 7 . 8 Hz ) , 3 . 50 ( s , 2 H ) , 3 . 46 ( s , 2 H ) , 2 . 53 ( m , 6 H ) , 2 . 39 ( d , 4 H , J = 7 . 5 Hz . ) , 2 . 35 ( s , 2 H ) , 2 . 31 ( s , 2 H ) , 2 . 23 ( 3 H , s ) , 1 . 25 ( 18 H , d ) , 1 . 05 ( 6 H , td . J = 1 . 5 , 7 . 0 Hz ) , 1 . 01 ( t , 3 H , J = 7 . 0 Hz , ) , 0 . 82 ( s , 6 H ) , 0 . 79 ( s , 6 H ) . MS ( ESI ) 651 . 6 [ M + H ] +