[1]JournaloftheAmericanChemicalSociety,1955,vol.77,p.920
[1]PhosphorusandSulfurandtheRelatedElements,1984,vol.21,p.197-204
[2]JournalofMedicinalChemistry,2001,vol.44,p.340-349
[1]Tetrahedron,1985,vol.41,p.4119-4132
[1]ArchivderPharmazie,1993,vol.326,p.193-197
[1]ArchivderPharmazie,1993,vol.326,p.193-197