1 H NMR ( 400 MHz , 클로로포름 - d ) δ = 8 . 14 ( s , 2 H ) , 8 . 12 ( s , 2 H ) , 7 . 49 - 7 . 43 ( m , 2 H ) , 7 . 36 - 7 . 27 ( m , 4 H ) , 7 . 19 - 7 . 12 ( m , 4 H ) , 5 . 96 ( s , 2 H ) , 5 . 67 - 5 . 54 ( m , 2 H ) , 4 . 95 - 4 . 82 ( m , 4 H ) , 4 . 69 ( d , J = 4 . 3 Hz , 2 H ) , 4 . 60 - 4 . 09 ( m , 12 H ) , 3 . 63 ( dd , J = 8 . 8 , 16 . 2 Hz , 2 H ) , 2 . 93 ( td , J = 5 . 9 , 17 . 2 Hz , 2 H ) , 2 . 82 - 2 . 72 ( m , 2 H ) , 0 . 99 ( s , 18 H ) , 0 . 30 ( s , 6 H ) , 0 . 27 ( s , 6 H ) .