"There are disclosed compounds of the formula I, II or III ##STR1## wherein A and D are carbon or nitrogen and B is oxygen, sulfur or nitrogen which are useful in the prevention or treatment of HIV infection."
公开了式子I、II或III的化合物##STR1## 其中A和D是碳或氮,B是氧、
硫或氮,这些化合物在预防或治疗HIV感染方面是有用的。