Scheme 1.
Chemical structures of the piperidine nitroxide, TEMPO; pyrrolidine nitroxides, CPX (CP, X=OH, and CMP, X=NH2); pyrroline nitroxide, CTPO; imidazoline nitroxide, IM1; and nitronyl nitroxide, cPTIO.
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.