[11C]Fentanyl: Radiosynthesis and Preclinical PET Imaging for Its Pharmacokinetics. 

 [¹¹C]Fentanyl: Radiosynthesis and Preclinical PET Imaging for Its Pharmacokinetics. 

Kim W, Wozniak AK, Burkard NJ, Freaney ML, Costamagna-Soto A, O'Conor K, Bakhoda A, Eisenberg SM, Zhao W, Liow JS, Volkow ND, Kim SW. 

Res Sq [Preprint]. 2025 Aug 27:rs.3.rs-7367969. doi: 10.21203/rs.3.rs-7367969/v1. PMID: 40909797; PMCID: PMC12408011.

https://pmc.ncbi.nlm.nih.gov/articles/PMC12408011/