2-(4-acetaminophenoxy)-2-methylpropionic acid

2-[4-(氨基羰基)苯氧基]-2-甲基丙酸

ethyl N-(4-hydroxyphenyl)carbamate

2-甲基-2-(4-硝基苯氧基)丙酸

2-[4-[(ethoxycarbonyl)amino]phenoxy]-2-methylpropionic acid