[1]CurrentPatentAssignee:CSPCPHARMACEUTICALGROUPLIMITED-CN105384739,2016,ALocationinpatent:Paragraph0381;0382;0383
[2]Seyhan[ChemischeBerichte,1939,vol.72,p.365]
[3]Schiemann;Seyhan[ChemischeBerichte,1937,vol.70,p.2396,2400]
[4]CurrentPatentAssignee:TAKEDAPHARMACEUTICALCOMPANYLIMITED-EP3239150,2017,A1Locationinpatent:Paragraph0297
[1]BioorganicandMedicinalChemistry,2008,vol.16,p.405-412
[2]Patent:US2005/43537,2005,A1.Locationinpatent:Page/Pagecolumn9