[1]BulletindesSocietesChimiquesBelges,1957,vol.66,p.276,289
[1]Vanderhaeghe;Claesen[BulletindesSocietesChimiquesBelges,1957,vol.66,p.276,289]
[1]Sakamoto;Sakasai;Yamanaka[ChemicalandPharmaceuticalBulletin,1980,vol.28,#2,p.571-577]
[1]Petrenko,O.P.;Lapachev,V.V.;Mamaev,V.P.[JournalofOrganicChemistryUSSR(EnglishTranslation),1988,vol.24,p.1617-1622][ZhurnalOrganicheskoiKhimii,1988,vol.24,#9,p.1793-1799]
[1]Krivopalov,V.P.;Nikolaenkova,E.B.;Sedova,V.F.;Mamaev,V.P.[ChemistryofHeterocyclicCompounds,1983,vol.19,#9,p.977-981][KhimiyaGeterotsiklicheskikhSoedinenii,1983,#9,p.1222-1226]