[1]JournalofHeterocyclicChemistry,1984,vol.21,p.185-192
[1]JournalofHeterocyclicChemistry,1984,vol.21,p.185-192
[1]JournalofHeterocyclicChemistry,1983,vol.20,p.861-866
[1]JournalofHeterocyclicChemistry,1984,vol.21,p.1833-1839
[1]JournalofHeterocyclicChemistry,1984,vol.21,p.1833-1839