octadecyl 4-hydroxybenzoate

2-[bis(2-hydroxyethyl)amino]ethanol,4-hydroxybenzoic acid

4-(乙酰基氧基)-3-溴苯甲酸

三丁基锡烷基对羟基苯甲酸酯

4-[7-(4-carboxyphenoxy)heptoxy]benzoic acid