Kee, Chee-Leong <br/><br/>
Isolation and characterization of propoxyphenyl linked sildenafil and thiosildenafil analogues in health supplements.  [electronic resource] 

 -  Journal of pharmaceutical and biomedical analysis  Nov 2012 
 - 265-72 p.  digital 
<br/><br/> Publication Type: Journal Article; Research Support, Non-U.S. Gov't 
<br/><br/><label>ISSN: </label>1873-264X 
<br/><br/><label>Standard No.: </label>10.1016/j.jpba.2012.07.008  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Chromatography, High Pressure Liquid<br/>Dietary Supplements--analysis<br/>Drug Contamination<br/>Magnetic Resonance Spectroscopy<br/>Molecular Structure<br/>Phosphodiesterase 5 Inhibitors--chemistry<br/>Piperazines--chemistry<br/>Purines--chemistry<br/>Pyrimidines--chemistry<br/>Sildenafil Citrate<br/>Spectrophotometry, Ultraviolet<br/>Spectroscopy, Fourier Transform Infrared<br/>Sulfones--chemistry<br/>Tandem Mass Spectrometry