[1]TetrahedronLetters,1993,vol.34,p.3259-3262
[1]Tetrahedron,1993,vol.49,p.5315-5326
[1]BulletinofthePolishAcademyofSciences:Chemistry,1985,vol.33,p.427-432
[2]Patent:WO2020/48595,2020,A1.Locationinpatent:Page/Pagecolumn30-32
[1]PolishJournalofChemistry,1992,vol.66,p.1125-1129
[1]PolishJournalofChemistry,1992,vol.66,p.1125-1129