Purines and pyrimidines having a fused cyclopropane ring in the side chain and the heterocyclic isosteres of said purines and pyrimidines have antiviral activity, especially against viruses of the herpes class.
嘌呤和
嘧啶具有侧链中的融合
环丙烷环,并且这些
嘌呤和
嘧啶的杂环同分异构体具有抗病毒活性,尤其对于疱疹类病毒特别有效。