[1]JournalofHeterocyclicChemistry,1980,vol.17,p.413-414
[2]JournalofHeterocyclicChemistry,1980,vol.17,p.413-414
[1]JournalofOrganicChemistry,1981,vol.46,p.3949-3953
[1]JournalofOrganicChemistry,1981,vol.46,p.3949-3953
[1]CurrentPatentAssignee:MERCK&COINC-WO2005/58848,2005,A1Locationinpatent:Page/Pagecolumn55