[1]Waldvogel;Schwarb;Bastian;Bourquin[HelveticaChimicaActa,1976,vol.59,#3,p.866-877]
[1]Polivka,Zdenek;Budesinsky,Milos;Holubek,Jiri;Schneider,Bohdan;Sediva,Zdenek;etal.[CollectionofCzechoslovakChemicalCommunications,1989,vol.54,#9,p.2443-2469]
[1]Polivka,Zdenek;Budesinsky,Milos;Holubek,Jiri;Schneider,Bohdan;Sediva,Zdenek;etal.[CollectionofCzechoslovakChemicalCommunications,1989,vol.54,#9,p.2443-2469]
[2]Polivka,Zdenek;Budesinsky,Milos;Holubek,Jiri;Schneider,Bohdan;Sediva,Zdenek;etal.[CollectionofCzechoslovakChemicalCommunications,1989,vol.54,#9,p.2443-2469]
[1]Bollinger;Cooper;Gubler;Leutwiler;Payne[HelveticaChimicaActa,1990,vol.73,#5,p.1197-1204]
[1]Majchrzak[JournalofHeterocyclicChemistry,1985,vol.22,#5,p.1205-1206]
[2]CurrentPatentAssignee:Sandoz(in:Novartis);NOVARTISAG-US4031225,1977,A