[1]Lewis;Elderfield[JournalofOrganicChemistry,1940,vol.5,p.290,297]
[1]Willgerodt[JournalfurpraktischeChemie(Leipzig1954),1909,vol.<2>80,p.189]
[1]Lewis;Elderfield[JournalofOrganicChemistry,1940,vol.5,p.290,297]
[1]Willgerodt[JournalfurpraktischeChemie(Leipzig1954),1909,vol.<2>80,p.189]
[1]CurrentPatentAssignee:BAYERAG-US6359151,2002,B2Locationinpatent:Pagecolumn80