[1]Chemicalandpharmaceuticalbulletin,1989,vol.37,p.1477-1480
[1]Chemicalandpharmaceuticalbulletin,1989,vol.37,p.1477-1480
[1]Chemicalandpharmaceuticalbulletin,1989,vol.37,p.1477-1480
[1]Chemicalandpharmaceuticalbulletin,1989,vol.37,p.1477-1480
[1]JournalofOrganicChemistry,1999,vol.64,p.313-315