[1]Kovacic,P.;Hooper,R.J.[Tetrahedron,1967,vol.23,p.3977-3984]
[2]Kovacic,P.etal.[JournalofOrganicChemistry,1968,vol.33,p.4515-4520]
[1]Kovacic,P.etal.[JournalofOrganicChemistry,1968,vol.33,p.4515-4520]
[1]Kovacic,P.etal.[JournalofOrganicChemistry,1969,vol.34,p.3312-3315]
[1]AgriculturalandBiologicalChemistry,1985,vol.49,p.3563-3568
[1]Sato,Kazuo;Honma,Toyokuni;Sugai,Soji[AgriculturalandBiologicalChemistry,1985,vol.49,#12,p.3563-3568]