DescriptionProcainamide.svg Skeletal formula of procainamide. Date 10 January 2022 Source Own work. Author Fvasconcellos Permission (Reusing this file) SVG development
DescriptionN-Acetyl procainamide.svg Chemical structure of N-acetylprocainamide. Date February 2007 Source Selfmade with ChemDraw. Author Calvero. Permission