1 H NMR ( 400 MHz , 메탄올 - d 4 ) δ 8 . 47 ( s , 1 H ) , 8 . 37 ( s , 1 H ) , 8 . 18 ( s , 1 H ) , 7 . 94 ( s , 2 H ) , 7 . 42 ( d , J = 7 . 9 Hz , 2 H ) , 7 . 30 ( d , J = 7 . 9 Hz , 2 H ) , 7 . 19 ( d , J = 8 . 4 Hz , 2 H ) , 6 . 99 ( dd , J = 19 . 7 , 9 . 0 Hz , 2 H ) , 4 . 95 ( dd , J = 7 . 5 , 2 . 8 Hz , 4 H ) , 4 . 85 - 4 . 72 ( m , 5 H ) , 4 . 61 - 4 . 24 ( m , 7 H ) , 4 . 16 ( s , 6 H ) , 3 . 73 - 3 . 44 ( m , 6 H ) , 3 . 44 - 3 . 34 ( m , 3 H ) , 2 . 99 - 2 . 73 ( m , 2 H ) , 2 . 35 - 2 . 21 ( m , 3 H ) , 1 . 29 ( s , 18 H ) , 1 . 19 - 0 . 96 ( m , 10 H ) .