[1]Patent:US2001/49385,2001,A1
[1]Patent:WO2009/63180,2009,A1.Locationinpatent:Page/Pagecolumn46
[1]JournalofOrganicChemistry,2009,vol.74,p.1388-1390
[1]BioorganicandMedicinalChemistry,2009,vol.17,p.3519-3527
[1]BioorganicandMedicinalChemistry,2010,vol.18,p.4351-4362