[1]BioorganicandMedicinalChemistryLetters,1996,vol.6,p.253-258
[2]AgriculturalandBiologicalChemistry,1980,vol.44,p.2419-2424
[3]Patent:US2006/135409,2006,A1.Locationinpatent:Page/Pagecolumn9
[4]Patent:US2007/141133,2007,A1.Locationinpatent:Page/Pagecolumn2-3
[5]Patent:EP1891962,2008,A1.Locationinpatent:Page/Pagecolumn4-5
[1]Patent:US2006/135409,2006,A1.Locationinpatent:Page/Pagecolumn9