[1]ZhurnalObshcheiKhimii,1957,vol.27,p.3021,3024;engl.Ausg.S.3051,3053
[1]ChemischeBerichte,1885,vol.18,p.2391
[2]ChemischeBerichte,1903,vol.36,p.2571
[3]JustusLiebigsAnnalenderChemie,1911,vol.385,p.138
[4]JournaloftheChemicalSociety,1951,p.108
[5]JournaloftheAmericanChemicalSociety,1952,vol.74,p.4198
[6]JournaloftheChemicalSociety.PerkintransactionsI,1982,p.2607-2610
[1]ZhurnalObshcheiKhimii,1957,vol.27,p.3021,3024;engl.Ausg.S.3051,3053
[1]Saeki,Seitaro;Kaku,Yoshio;Hamana,Masatomo;Noda,Hiroshi[Heterocycles,1980,vol.14,#6,p.809-812]
[1]AbdEl-Aal;Younis[BioorganicChemistry,2004,vol.32,#4,p.193-210]