1 H NMR ( 400 MHz , 클로로포름 - d ) δ = 8 . 99 ( s , 1 H ) , 8 . 57 ( s , 1 H ) , 8 . 02 - 7 . 94 ( m , 2 H ) , 7 . 93 ( s , 1 H ) , 7 . 82 ( s , 1 H ) , 7 . 68 - 7 . 63 ( m , 1 H ) , 7 . 60 - 7 . 55 ( m , 1 H ) , 7 . 54 - 7 . 49 ( m , 2 H ) , 7 . 45 - 7 . 31 ( m , 5 H ) , 7 . 25 - 7 . 21 ( m , 2 H ) , 6 . 22 - 5 . 94 ( m , 6 H ) , 5 . 56 ( br dd , J = 5 . 1 , 51 . 5 Hz , 1 H ) , 5 . 54 - 5 . 46 ( m , 1 H ) , 5 . 34 - 5 . 29 ( m , 1 H ) , 5 . 29 - 5 . 22 ( m , 2 H ) , 5 . 16 - 5 . 08 ( m , 3 H ) , 5 . 02 - 4 . 96 ( m , 2 H ) , 4 . 62 - 4 . 54 ( m , 1 H ) , 4 . 52 - 4 . 26 ( m , 9 H ) , 2 . 93 - 2 . 81 ( m , 1 H ) , 1 . 21 ( d , J = 2 . 3 Hz , 3 H ) , 1 . 20 ( d , J = 2 . 0 Hz , 3 H )