1 H NMR ( 400 MHz , 메탄올 - d 4 ) δ 8 . 33 ( d , J = 2 . 1 Hz , 1 H ) , 8 . 14 ( d , J = 9 . 3 Hz , 1 H ) , 8 . 10 ( d , J = 2 . 8 Hz , 1 H ) , 7 . 74 ( dd , J = 8 . 8 , 2 . 2 Hz , 1 H ) , 7 . 53 ( t , J = 59 . 8 Hz , 1 H ) , 7 . 45 ( d , J = 8 . 2 Hz , 2 H ) , 7 . 34 ( d , J = 7 . 9 Hz , 2 H ) , 7 . 22 ( d , J = 8 . 0 Hz , 2 H ) , 7 . 09 ( d , J = 10 . 3 Hz , 1 H ) , 6 . 93 ( d , J = 2 . 8 Hz , 1 H ) , 6 . 78 ( d , J = 8 . 8 Hz , 2 H ) , 5 . 07 - 4 . 91 ( m , 3 H ) , 4 . 61 ( dd , J = 8 . 2 , 4 . 1 Hz , 2 H ) , 4 . 44 ( d , J = 9 . 9 Hz , 1 H ) , 4 . 31 ( d , J = 10 . 0 Hz , 1 H ) , 4 . 23 - 4 . 06 ( m , 3 H ) , 3 . 95 ( d , J = 13 . 3 Hz , 1 H ) , 3 . 70 ( s , 3 H ) , 3 . 66 ( s , 3 H ) , 2 . 95 - 2 . 70 ( m , 4 H ) , 2 . 10 ( d , J = 11 . 1 Hz , 1 H ) , 1 . 16 ( s , 3 H ) , 1 . 15 ( s , 3 H ) , 1 . 12 ( s , 3 H ) , 1 . 03 ( s , 3 H ) .