[1]CurrentPatentAssignee:DUPONTDENEMOURSINC-US2784137,1955,ACurrentPatentAssignee:DUPONTDENEMOURSINC-US2680134,1952,A
[1]CurrentPatentAssignee:DUPONTDENEMOURSINC-US2784137,1955,ACurrentPatentAssignee:DUPONTDENEMOURSINC-US2680134,1952,A
[1]Orlov,V.D.;Vorob'eva,N.P.;Tishchenko,A.A.;Pikalev,O.M.;Popov,V.I.;Yagupol'skii,L.M.[ChemistryofHeterocyclicCompounds,1991,vol.27,#9,p.942-946][KhimiyaGeterotsiklicheskikhSoedinenii,1991,#9,p.1179-1184]
[1]Orlov,V.D.;Vorob'eva,N.P.;Tishchenko,A.A.;Pikalev,O.M.;Popov,V.I.;Yagupol'skii,L.M.[ChemistryofHeterocyclicCompounds,1991,vol.27,#9,p.942-946][KhimiyaGeterotsiklicheskikhSoedinenii,1991,#9,p.1179-1184]