Journal of Food and Drug Analysis (JFDA)
【Update Date:2006-01-04】unit:
Bureau of Food and Drug Analysis, Department of Health, Executive Yuan161-2 Kunyang St., Nangang District, Taipei City 115, Taiwan, R.O.C.(Received: June 3, 2005; Accepted: September 20, 2005)
ABSTRACT
Key words: sildenafil analogue, isolated, identified, NMR, LC/MS/MS