@article {Egli:1976:0003-7028:467, author = "Egli, Peter", title = "Infrared Shift Observed with [p-(Cyclopropylcarbonyl)phenyl] Acetic Acid Labeled in the Carboxyl Group with 13C and 14C", journal = "Applied Spectroscopy", volume = "30", number = "4", year = "1976", abstract = "Drug metabolism studies require radiolabeled compounds that are usually synthesized and analyzed in a manner similar to that used for nonlabeled compounds.", pages = "467-468", url = "http://www.ingentaconnect.com/content/sas/sas/1976/00000030/00000004/art00019", doi = "doi:10.1366/000370276774457083", keyword = "Infrared absorption spectra, Infrared shift, Isotope-labeled compounds" }