[1]Patent:US2002/95041,2002,A1
[2]Patent:US5962490,1999,A
[3]Patent:US6342610,2002,B2.Locationinpatent:Pagecolumn70
[4]Patent:US5571821,1996,A
[5]JournalofOrganicChemistry,1982,vol.47,p.1755-1759
[6]BioorganicandMedicinalChemistryLetters,1996,vol.6,p.2651-2656
[7]Patent:US5185363,1993,A
[1]JournalofOrganicChemistry,1982,vol.47,p.1755-1759
[1]JournalofOrganicChemistry,1982,vol.47,p.1755-1759
[1]Patent:US2002/95041,2002,A1
[2]Patent:US5962490,1999,A
[3]Patent:US5594021,1997,A
[4]Patent:US6342610,2002,B2.Locationinpatent:Pagecolumn71
[5]Patent:US5571821,1996,A
[6]BioorganicandMedicinalChemistryLetters,1996,vol.6,p.2651-2656