They are ,8dimethyllnonanol, ,9dimethyldecanol, ,9dimethylcyclopropyldecanol, and ,9dimethyl,decanediol, and they were evaluated as penetration enhancer toward Flourouracil.

增加个碳原子的第三醇：，9－二甲基－－环丙基－－癸醇；增加个碳原子同时引入一个羟基的，9－二甲基－，－癸二醇。