[1]Zhao;Scarlato;Armstrong[TetrahedronLetters,1991,vol.32,#13,p.1609-1612]
[2]Simiti;Chindriş[ArchivderPharmazieundBerichtederDeutschenPharmazeutischenGesellschaft,1971,vol.304,#6,p.425-429]
[3]CurrentPatentAssignee:GLAXOSMITHKLINEPLC;DANA-FARBERCANCERINSTITUTE-WO2017/112838,2017,A1Locationinpatent:Paragraph85