[1]ArchivderPharmazie,1986,vol.319,p.878-885
[1]Chemicalandpharmaceuticalbulletin,1988,vol.36,p.2955-2967
[1]Chemicalandpharmaceuticalbulletin,1988,vol.36,p.2955-2967
[1]ArchivderPharmazie,1986,vol.319,p.434-443
[1]ChemicalandPharmaceuticalBulletin,1990,vol.38,p.3035-3041