1 H NMR ( 400 MHz , 메탄올 - d 4 ) δ 8 . 52 ( s , 1 H ) , 8 . 30 ( d , J = 2 . 2 Hz , 1 H ) , 8 . 12 ( s , 2 H ) , 7 . 71 - 7 . 64 ( m , 1 H ) , 7 . 36 - 7 . 30 ( m , 2 H ) , 7 . 23 ( dd , J = 11 . 8 , 8 . 2 Hz , 4 H ) , 7 . 13 ( d , J = 9 . 8 Hz , 1 H ) , 6 . 93 ( d , J = 8 . 9 Hz , 1 H ) , 6 . 78 ( d , J = 9 . 9 Hz , 1 H ) , 4 . 46 - 4 . 41 ( m , 1 H ) , 4 . 31 ( d , J = 9 . 5 Hz , 1 H ) , 4 . 21 - 4 . 00 ( m , 7 H ) , 3 . 97 - 3 . 85 ( m , 3 H ) , 3 . 78 - 3 . 65 ( m , 9 H ) , 3 . 42 ( s , 5 H ) , 2 . 94 - 2 . 74 ( m , 5 H ) , 2 . 43 ( dtd , J = 12 . 8 , 8 . 2 , 4 . 3 Hz , 2 H ) , 2 . 24 ( ddd , J = 13 . 7 , 9 . 2 , 5 . 0 Hz , 1 H ) , 1 . 20 - 1 . 10 ( m , 9 H ) , 1 . 03 ( s , 3 H ) .