[1]Patent:US5541317,1996,A
[2]Heterocycles,1994,vol.38,p.277-280
[3]AngewandteChemie-InternationalEdition,2015,vol.54,p.280-284 Angew.Chem.,2015,vol.127,p.282-286,5 AngewandteChemie,2015,vol.127,p.282-286,5
[1]CurrentPatentAssignee:JOHNSON&JOHNSONINC-WO2004/33418,2004,A2Locationinpatent:Page35
[2]Boduszek,Bogdan;Wieczorek,JanS.[MonatsheftefurChemie,1980,vol.111,p.1111-1116]
[3]CurrentPatentAssignee:PFIZERINC-WO2009/42435,2009,A1Locationinpatent:Page/Pagecolumn97
[1]JournalfurPraktischeChemie-Chemiker-Zeitung,1992,vol.334,p.119-125
[2]JournalfurPraktischeChemie-Chemiker-Zeitung,1992,vol.334,p.119-125
[1]Boduszek,Bogdan;Wieczorek,JanS.[MonatsheftefurChemie,1980,vol.111,p.1111-1116]
[1]CurrentPatentAssignee:DAIICHISANKYOCOMPANY,LIMITED-US5541317,1996,A