[1]Staiger;Wagner[JournalofOrganicChemistry,1953,vol.18,p.1427,1433,1437]
[1]Leonardetal.[JournalofOrganicChemistry,1948,vol.13,p.617,619]
[1]Devlin;Ollis;Thorpe;Wood;Broughton;Warren;Wooldridge;Wright[JournaloftheChemicalSociety.PerkintransactionsI,1975,#9,p.830-841]
[1]Buzas,F.etal.[ChimicaTherapeutica,1972,vol.7,p.398-403]
[1]Chernykh,V.P.;Petyunin,G.P.[PharmaceuticalChemistryJournal,1970,#10,p.545-547][Khimiko-FarmatsevticheskiiZhurnal,1970,#10,p.16-18]