Objective:To study the relations between the polymorphic forms of rifamycin derivatives rifampicin(RFP), rifapentin(RFT) and rifamdeni(IPR) and the drug content in plasma(urine).

• 目的:探讨利福霉素类抗生素的衍生物(利福平,利福定,利福喷丁)的晶型与血(尿)药浓度的关系。