[1]HelveticaChimicaActa,1992,vol.75,#5,p.1621-1632
[2]Patent:US6509329,2003,B1,
[3]Patent:US5216134,1993,A,
[1]TetrahedronLetters,2000,vol.41,#10,p.1653-1656
[1]TetrahedronLetters,2000,vol.41,#10,p.1653-1656
[1]HelveticaChimicaActa,1992,vol.75,p.1621-1632
[2]Patent:US6509329,2003,B1
[3]Patent:US5216134,1993,A
[1]HelveticaChimicaActa,1992,vol.75,p.1621-1632
[1]TetrahedronLetters,2000,vol.41,p.1653-1656
[1]TetrahedronLetters,2000,vol.41,p.1653-1656
[1]TetrahedronLetters,2000,vol.41,p.1653-1656