[1]TetrahedronLetters,1997,vol.38,#29,p.5229-5232
[1]TetrahedronLetters,1997,vol.38,#29,p.5229-5232
[1]PlantaMedica,1996,vol.62,p.115-118
[1]TetrahedronLetters,1997,vol.38,p.5229-5232
[1]ChemicalandPharmaceuticalBulletin,1999,vol.47,p.194-198
[1]TetrahedronLetters,1997,vol.38,p.5229-5232
[1]BioorganicandMedicinalChemistry,2007,vol.15,p.6678-6686