[1]JournalofOrganicChemistry,1990,vol.55,p.2918-2920
[1]AustralianJournalofChemistry,1988,vol.41,p.235-249
[1]JournalofHeterocyclicChemistry,1981,vol.18,p.973-975
[1]Patent:EP1506959,2005,A2.Locationinpatent:Page64
[2]Patent:TW2018/2075,2018,A.Locationinpatent:Paragraph0060;0061
[3]JournalofOrganicChemistry,2020,vol.85,p.4256-4266
[4]JournalofOrganicChemistry,1979,vol.44,p.2158-2160
[5]JournalofHeterocyclicChemistry,1981,vol.18,p.973-975
[1]JournalofOrganicChemistry,1987,vol.52,p.5668-5678