[1]Ross,JohnR.;Laks,JoAnnS.;Wang,DanielLi-Chang;Sowell,J.Walter[Synthesis,1985,#8,p.796-798]
[2]Bayomi,SaidM.;Al-Rashood,KhalidA.[MonatsheftefurChemie,1991,vol.122,#8,p.725-730]
[1]Player;SowellSr.[JournalofHeterocyclicChemistry,1994,vol.31,#1,p.209-214]
[1]Vishwakarma,LalC.;Sowell,WalterJ.[JournalofHeterocyclicChemistry,1985,vol.22,p.1429-1433]
[1]Laks,JoAnnS.;Ross,JohnR.;Bayomi,SaidM.;SowellJ.Walter[Synthesis,1985,#3,p.291-293]
[1]Player;SowellSr.[JournalofHeterocyclicChemistry,1994,vol.31,#1,p.209-214]