[1]Tetrahedron,2001,vol.57,#51,p.10111-10117
[1]Chemistry-AEuropeanJournal,2008,vol.14,#8,p.2340-2348
[1]Chemistry-AEuropeanJournal,2008,vol.14,#8,p.2340-2348
[1]Heterocycles,2003,vol.60,#4,p.953-957
[2]Patent:WO2007/104053,2007,A2,.Locationinpatent:Page/Pagecolumn36
[3]Patent:US2003/125339,2003,A1,
[4]Patent:EP150984,1991,B1,
[5]Patent:US4826833,1989,A,
[6]Patent:US6878714,2005,B2,
[1]Patent:US2009/143385,2009,A1,
[2]Patent:US2011/98272,2011,A1,.Locationinpatent:Page/Pagecolumn22
[1]BulletindesSocietesChimiquesBelges,1982,vol.91,p.153-162
[1]JournalofMedicinalChemistry,1996,vol.39,p.834-841
[1]BioorganicandMedicinalChemistryLetters,1999,vol.9,p.1727-1732