[1]Higgins,RobertH.;Eaton,QuentinL.;Worth,Leroy;Peterson,MyraV.[JournalofHeterocyclicChemistry,1987,vol.24,p.255-259]
[1]Higgins,RobertH.;Eaton,QuentinL.;Worth,Leroy;Peterson,MyraV.[JournalofHeterocyclicChemistry,1987,vol.24,p.255-259]
[1]Higgins,RobertH.;Eaton,QuentinL.;Worth,Leroy;Peterson,MyraV.[JournalofHeterocyclicChemistry,1987,vol.24,p.255-259]