Keywords: Pheniramine.svg Skeletal formula of pheniramine Created using http //www acdlabs com/download/chemsk html ACD/ChemSketch 8 0 and http //www inkscape org Inkscape Own 2007-04-26 Fvasconcellos 01 46 27 April 2007 UTC H1 receptor antagonists Methyl compounds Muscarinic antagonists Phenyl compounds Pyridines Tertiary amines |