[1]TetrahedronLetters,1995,vol.36,p.8221-8224
[1]TetrahedronLetters,1995,vol.36,p.8221-8224
[1]JournalofOrganicChemistry,1996,vol.61,p.3890-3893
[1]JournalofOrganicChemistry,1996,vol.61,p.3890-3893
[1]JournalofOrganicChemistry,1996,vol.61,p.3890-3893
[2]JournalofOrganicChemistry,1996,vol.61,p.3890-3893