Imoto S, Kohgo S, Tokuda R, Kumamoto H, Aoki M, Amano M, Kuwata-Higashi N, Mitsuya H, Haraguchi K.

Design, Synthesis, and Evaluation of Anti-HBV Activity of Hybrid Molecules of Entecavir and Adefovir: Exomethylene Acycloguanine Nucleosides and Their Monophosphate Derivatives.

Nucleosides Nucleotides Nucleic Acids. 2015;34(8):590-602. doi: 10.1080/15257770.2015.1037456. PMID: 26167667.

https://pubmed.ncbi.nlm.nih.gov/26167667/