[1]BioorganicandMedicinalChemistryLetters,2010,vol.20,p.2722-2725
[2]Patent:US2003/199689,2003,A1.Locationinpatent:Page/Pagecolumn87
[3]Patent:EP1479677,2004,A1.Locationinpatent:Page53
[4]Patent:US2005/33049,2005,A1.Locationinpatent:Page/Pagecolumn39