1 H NMR ( 400 MHz , 메탄올 - d 4 ) δ 8 . 25 ( dd , J = 2 . 2 , 0 . 8 Hz , 1 H ) , 8 . 17 ( d , J = 9 . 4 Hz , 1 H ) , 8 . 10 ( d , J = 2 . 7 Hz , 1 H ) , 7 . 74 - 7 . 68 ( m , 1 H ) , 7 . 53 ( t , J = 59 . 6 Hz , 1 H ) , 7 . 45 ( d , J = 8 . 2 Hz , 2 H ) , 7 . 32 ( d , J = 7 . 9 Hz , 2 H ) , 7 . 22 ( d , J = 8 . 1 Hz , 2 H ) , 7 . 13 ( d , J = 9 . 9 Hz , 1 H ) , 6 . 94 ( d , J = 2 . 8 Hz , 1 H ) , 6 . 80 ( d , J = 9 . 9 Hz , 1 H ) , 6 . 71 - 6 . 61 ( m , 1 H ) , 5 . 05 ( s , 1 H ) , 4 . 99 - 4 . 93 ( m , 1 H ) , 4 . 70 ( dd , J = 8 . 4 , 4 . 5 Hz , 1 H ) , 4 . 64 - 4 . 53 ( m , 2 H ) , 4 . 51 ( s , 1 H ) , 4 . 44 ( d , J = 9 . 8 Hz , 1 H ) , 4 . 30 ( d , J = 10 . 0 Hz , 1 H ) , 4 . 18 - 4 . 10 ( m , 2 H ) , 3 . 94 ( d , J = 13 . 1 Hz , 1 H ) , 3 . 79 ( dd , J = 11 . 9 , 2 . 2 Hz , 1 H ) , 3 . 76 - 3 . 70 ( m , 1 H ) , 3 . 69 ( s , 3 H ) , 3 . 66 ( s , 3 H ) , 2 . 94 - 2 . 73 ( m , 4 H ) , 2 . 33 ( s , 2 H ) , 1 . 16 ( s , 3 H ) , 1 . 14 ( s , 3 H ) , 1 . 11 ( s , 3 H ) , 1 . 02 ( s , 3 H ) .