[1]JournalofHeterocyclicChemistry,1981,vol.18,p.1149-1152
[1]Anderson,PaulL.;Hasak,JamesP;Kahle,AliciaD.;Paolella,NicholasA.;Shapiro,MichaelJ.[JournalofHeterocyclicChemistry,1981,vol.18,p.1149-1152]
[1]JournalofHeterocyclicChemistry,1981,vol.18,p.1149-1152