title: Mirfentanil and A-4334: Tritiation at high specific activity.
abstract: Methods are presented to synthesize and characterize [(3)H] mirfentanil and [(3)H] A-4334.
authors.affiliation: PerkinElmer Health Sciences, Inc. 940 Winter St. Waltham, MA 02451, USA.
authors.forename: Judith A
authors.initials: JA
authors.lastname: Egan
authors.forename: Richard P
authors.initials: RP
authors.lastname: Nugent
authors.forename: Crist N
authors.initials: CN
authors.lastname: Filer
mesh_terms: D005283:Fentanyl / Q000031:analogs & derivatives* / Q000737:chemistry; D007553:Isotope Labeling / Q000379:methods*; D011720:Pyrazoles / Q000737:chemistry*; D013844:Thiazoles / Q000737:chemistry*; D014316:Tritium
chemical_list: C546841:A 4334; D011720:Pyrazoles; D013844:Thiazoles; D014316:Tritium; C069209:mirfentanil; D005283:Fentanyl