-methoxyaninline the electron donating methoxy group donates electron density in the ring. The amine in p-methoxyaniline is shown to possess more electron density, demonstrated to be a yellow color, in comparison to the amine in aniline.Li?u dùng có th? s? thay ??i tùy theo m?c ?? ti?n tri?n c?a b?nh, và th? tr?ng c?a ng??i b?nh.There exists a