摘要 : The 400th issue of the journal "Chemistry of Heterocyclic Compounds" was published at the beginning of the 21st century. A little more than eight years have passed, and we are presented with the 500th issue of the journal, already... 展开 The 400th issue of the journal "Chemistry of Heterocyclic Compounds" was published at the beginning of the 21st century. A little more than eight years have passed, and we are presented with the 500th issue of the journal, already in its 45th year. 收起