Identification of a novel sildenafil analogue in an adulterated herbal supplement

Structure elucidation of sildenafil analogues in herbal products

Leonore Blok‐Tip, Bert Zomer, Frank Bakker et al. · Food Additives & Contaminants · 2004 · 118 citations · Full text

Pharmacy, Medicinal Chemistry, Pharmacology +11

2D and 3D DOSY 1H NMR, a useful tool for analysis of complex mixtures: Application to herbal drugs or dietary supplements for erectile dysfunction

Stéphane Balayssac, Saleh Trefi, Véronique Gilard et al. · Journal of Pharmaceutical and Biomedical Analysis · 2008 · 111 citations

Medicine, Pharmaceutical Analysis, Pharmacology +12

Identification of a new analogue of sildenafil added illegally to a functional food marketed for penile erectile dysfunction

Mi-Rae Shin, M. K. Hong, W.-S. Kim et al. · Food Additives & Contaminants · 2003 · 99 citations

Pharmacy, Medicinal Chemistry, Pharmaceutical Analysis +11

Accurate mass measurement using Fourier transform ion cyclotron resonance mass spectrometry for structure elucidation of designer drug analogs of tadalafil, vardenafil and sildenafil in herbal and pharmaceutical matrices

Samuel R. Gratz, Bryan M. Gamble, Rick A. Flurer · Rapid Communications in Mass Spectrometry · 2006 · 94 citations · Full text

Pharmacy, Medicinal Chemistry, Pharmacology +16

Analysis of illegally manufactured formulations of tadalafil (Cialis®) by 1H NMR, 2D DOSY 1H NMR and Raman spectroscopy

Saleh Trefi, Corinne Routaboul, Saleh Hamieh et al. · Journal of Pharmaceutical and Biomedical Analysis · 2007 · 91 citations

Pharmacy, Pharmaceutical Analysis, Pharmacology +14