[1]JournalofHeterocyclicChemistry,1989,vol.26,p.317-325
[1]JournalofHeterocyclicChemistry,1989,vol.26,p.317-325
[1]JournalofHeterocyclicChemistry,1989,vol.26,p.317-325
[1]JournalofHeterocyclicChemistry,1989,vol.26,p.317-325
[1]JournalofHeterocyclicChemistry,1989,vol.26,p.317-325