[1]Elslager,E.F.etal.[JournalofHeterocyclicChemistry,1973,vol.10,p.611-622]
[1]Elslager,E.F.etal.[JournalofHeterocyclicChemistry,1973,vol.10,p.611-622]
[1]Elslager,E.F.etal.[JournalofHeterocyclicChemistry,1973,vol.10,p.611-622]
[1]Elslager,E.F.etal.[JournalofHeterocyclicChemistry,1973,vol.10,p.611-622]
[2]Elslager,E.F.etal.[JournalofHeterocyclicChemistry,1973,vol.10,p.611-622]
[1]Elslager,E.F.etal.[JournalofHeterocyclicChemistry,1973,vol.10,p.611-622]