[1]JournalofHeterocyclicChemistry,1974,vol.11,p.113-118
[1]JournalofHeterocyclicChemistry,1974,vol.11,p.113-118
[1]JournalofHeterocyclicChemistry,1974,vol.11,p.113-118
[1]JournalofHeterocyclicChemistry,1974,vol.11,p.113-118
[1]JournalofHeterocyclicChemistry,1974,vol.11,p.113-118