[1]Fernandez,PatriciaA.;Bellamy,Tom;Kling,Marcel;Madge,DavidJ.;Selwood,DavidL.[Heterocycles,2001,vol.55,#9,p.1813-1816]
[2]Fernandez,PatriciaA.;Bellamy,Tom;Kling,Marcel;Madge,DavidJ.;Selwood,DavidL.[Heterocycles,2001,vol.55,#9,p.1813-1816]