[1]Bertelli,D.J.;Ong,C.C.[JournaloftheAmericanChemicalSociety,1965,vol.87,p.3719-3727]Giraud,M.;Molho,D.[BulletindelaSocieteChimiquedeFrance,1970,p.2651-2656]SenGupta,S.C.;Sen,P.K.[JournaloftheIndianChemicalSociety,1962,vol.39,#10,p.653-659]Sato;Miyamoto[NipponKagakuZasshi,1954,vol.75,p.225][Chem.Abstr.,1955,p.10260]
[1]Barat[JournaloftheIndianChemicalSociety,1931,vol.8,p.704,707][ChemischesZentralblatt,1932,vol.103,#I,p.526]
[1]Mulzer,Johann;Bruentrup,Gisela;Hartz,Georg;Kuehl,Uwe;Blaschek,Ursula;Boehrer,Gerald[ChemischeBerichte,1981,vol.114,#11,p.3701-3724]
[1]SenGupta,S.C.;Sen,P.K.[JournaloftheIndianChemicalSociety,1962,vol.39,#10,p.653-659]
[2]Bertelli,D.J.;Ong,C.C.[JournaloftheAmericanChemicalSociety,1965,vol.87,p.3719-3727]