[1]JournalofgeneralchemistryoftheUSSR,1988,vol.58,p.970-979 ZhurnalObshcheiKhimii,1988,vol.58,p.1093-1102
[2]PharmaceuticalChemistryJournal,1980,vol.14,p.776-780 Khimiko-FarmatsevticheskiiZhurnal,1980,vol.14,p.43-48
[1]JournalofgeneralchemistryoftheUSSR,1988,vol.58,p.970-979 ZhurnalObshcheiKhimii,1988,vol.58,p.1093-1102