Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
1H‐NMR spectrum of acrylfentanyl (CD3OD, 400 MHz). Enlargement of the region where signals arising from the terminal alkene are observed. See supporting information for the complete 1H‐ and 13C‐NMR spectra for acrylfentanyl and 1H‐NMR data for fentanyl.
