Isolation and identification of a novel sildenafil analogue adulterant in herbal products

• Ya-Tze LinChina Medical University
• Yen-Chun HuangTaiwan Food and Drug Administration
• Hui‐Chun LeeTaiwan Food and Drug Administration
• Chen-Hsiang LiaoTaiwan Food and Drug Administration
• Yun‐Lian LinChina Medical University
• Chia-Fen TsaiTaiwan Food and Drug Administration
• Hwei‐Fang ChengTaiwan Food and Drug Administration