1 H NMR ( 다이 클로로메테인 - d 2 , 500 MHz ) : δ = 7 . 99 ( d , J = 7 . 5 Hz , 1 H ) , 7 . 93 ( d , J = 1 . 5 Hz , 1 H ) , 7 . 65 - 7 . 56 ( m , 6 H ) , 7 . 49 ( t , J = 7 . 5 Hz , 1 H ) , 7 . 40 - 7 . 37 ( m , 3 H ) , 7 . 28 - 7 . 20 ( m , 4 H ) , 7 . 15 ( dd , J = 8 . 5 , 1 . 0 Hz , 2 H ) , 7 . 04 - 6 . 99 ( m , 3 H ) , 1 . 30 ( s , 12 H ) .