[1]JournalofHeterocyclicChemistry,1986,vol.23,p.1035-1038
[1]JournalofHeterocyclicChemistry,1986,vol.23,p.1035-1038
[1]JournalofHeterocyclicChemistry,1986,vol.23,p.1035-1038
[1]Synthesis,2001,p.1949-1958
[1]Synthesis,2001,p.1949-1958
[2]Synthesis,2001,p.1949-1958