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.
Concentration–time curves of flupirtine and its acetylated metabolite D13223 after intravenous flupirtine infusion and single dosing of flupirtine IR (A) and after chronic administration of flupirtine MR in 24 healthy subjects (B). 
, flupirtine i.v.; 
, flupirtine IR; 
, D13223 i.v.; 
, D13223 (IR); 
, flupirtine MR; 
, D13223
