Antifertility drug complexes which have enhanced effectiveness and prolonged release of the antifertility drug. The complex includes an antifertility drug, a polybasic acid and a polyvalent metal ion. The antifertility drug is in the form of a basic amine derivative.
抗生育药物复合物具有增强效果和延长释放抗生育药物的特性。该复合物包括抗生育药物、多元酸和多价
金属离子。抗生育药物以碱性胺衍
生物的形式存在。