[1]Patent:US6664397,2003,B1,.Locationinpatent:Pagecolumn7-8
[1]Tetrahedron,1991,vol.47,#36,p.7609-7614
[2]Tetrahedron,1991,vol.47,#36,p.7609-7614
[1]Tetrahedron,1991,vol.47,#36,p.7609-7614
[1]BeilsteinJournalofOrganicChemistry,2016,vol.12,p.144-153
[1]Tetrahedron,1989,vol.45,#5,p.1409-1414
[1]Tetrahedron,1989,vol.45,p.1409-1414
[1]Tetrahedron,1991,vol.47,p.7609-7614
[2]Tetrahedron,1991,vol.47,p.7609-7614
[1]Tetrahedron,1991,vol.47,p.7609-7614
[1]Tetrahedron,1989,vol.45,p.1409-1414
[1]Tetrahedron,1989,vol.45,p.1409-1414