[1]Huettel;Schoen[JustusLiebigsAnnalenderChemie,1959,vol.625,p.55,60]
[1]Juffermans,J.P.H.;Habraken,ClarisseL.[JournalofOrganicChemistry,1986,vol.51,#24,p.4656-4660]
[1]CurrentPatentAssignee:PFIZERINC-US4084955,1978,A
[1]CurrentPatentAssignee:PFIZERINC-US4084955,1978,A
[1]CurrentPatentAssignee:PFIZERINC-US4084955,1978,A