[1]Patent:CN108191686,2018,A,.Locationinpatent:Paragraph0040-0073
[1]JournalofOrganicChemistry,2003,vol.68,#10,p.3999-4007
[2]Patent:US9217117,2015,B2,.Locationinpatent:Page/Pagecolumn28
[3]Patent:EP522547,1993,A2,
[1]Patent:EP522547,1993,A2,
[1]Patent:US2012/149632,2012,A1,
[1]JournalofOrganicChemistry,2003,vol.68,#10,p.3999-4007
[1]HelveticaChimicaActa,1992,vol.75,p.1621-1632
[1]ActachemicaScandinavica.SeriesB:Organicchemistryandbiochemistry,1988,vol.42,p.373-377
[2]JournaloftheAmericanChemicalSociety,2007,vol.129,p.14138-14139
[1]HelveticaChimicaActa,1992,vol.75,p.1621-1632
[1]HelveticaChimicaActa,1992,vol.75,p.1578-1592
[1]HelveticaChimicaActa,1992,vol.75,p.1621-1632