[1]Tetrahedron,1993,vol.49,p.1913-1924
[1]TetrahedronLetters,1993,vol.34,p.8445-8448
[1]Tetrahedron,1991,vol.47,p.5453-5462
[1]TetrahedronLetters,1990,vol.31,p.7337-7340
[1]ActaChimicaSlovenica,2016,vol.63,p.344-350
[2]Tetrahedron,2018,vol.74,p.5138-5142
[3]TetrahedronLetters,2018,vol.59,p.2938-2940
[4]JournalofNaturalProducts,2014,vol.77,p.1871-1880
[5]Tetrahedron,1991,vol.47,p.5453-5462
[6]JournalofAntibiotics,2001,vol.54,p.22-28
[7]Chemistry-AEuropeanJournal,2006,vol.12,p.6572-6584
[8]JournalofNaturalProducts,2006,vol.69,p.83-92
[9]OrganicandBiomolecularChemistry,2017,vol.15,p.6119-6131