[1]Popp[EuropeanJournalofMedicinalChemistry,1989,vol.24,#3,p.313-316]
[1]D'Amico,JohnJ.;Bollinger,FredericG.;Freeman,JohnJ.;Dahl,WilliamE.[JournalofHeterocyclicChemistry,1986,vol.23,p.105-112]
[1]Popp[EuropeanJournalofMedicinalChemistry,1989,vol.24,#3,p.313-316]
[1]Kobayashi;Igaki;Kimura;Sakoguchi;Shimosawa;Matsuoka[ChemicalandPharmaceuticalBulletin,1986,vol.34,#7,p.2957-2962]
[1]Hanefeld;Glaeske;Staude[ArchivderPharmazie,1982,vol.315,#2,p.103-119]