1 H NMR ( 400 MHz , 메탄올 - d 4 ) δ 7 . 52 ( d , J = 8 . 1 Hz , 2 H ) , 6 . 99 ( d , J = 8 . 2 Hz , 2 H ) , 3 . 71 ( q , J = 6 . 9 Hz , 7 H ) , 3 . 65 ( s , 3 H ) , 1 . 37 ( dd , J = 7 . 0 , 1 . 7 Hz , 32 H ) , 1 . 19 - 1 . 07 ( m , 10 H ) .