[1]CurrentPatentAssignee:DUPONTDENEMOURSINC-US2158518,1936,A
[1]CurrentPatentAssignee:DUPONTDENEMOURSINC-US2158518,1936,A
[1]Peters,Jens-Uwe;Blechert,Siegfried[Synlett,1997,vol.1997,#4,p.348-350]
[1]CurrentPatentAssignee:JOHNSON&JOHNSONINC-WO2004/69792,2004,A2Locationinpatent:Page96
[1]CurrentPatentAssignee:ROCHEHOLDINGAG-US4202894,1980,A