[1]Patent:WO2007/46747,2007,A1.Locationinpatent:Page/Pagecolumn29
[2]Tetrahedron,1996,vol.52,p.13017-13026
[3]Patent:US2700686,1951,
[4]Patent:WO2008/122767,2008,A2.Locationinpatent:Page/Pagecolumn73-74
[1]JournaloftheAmericanChemicalSociety,1956,vol.78,p.3851,3853
[1]JournaloftheAmericanChemicalSociety,1948,vol.70,p.143-143
[1]JournaloftheAmericanChemicalSociety,1954,vol.76,p.83,85
[2]BioorganicandMedicinalChemistry,2008,vol.16,p.4652-4660
[1]EuropeanJournalofMedicinalChemistry,1989,vol.24,p.357-362