Separation and structural elucidation of a novel analogue of vardenafil included as an adulterant in a dietary supplement by liquid chromatography–electrospray ionization mass spectrometry, infrared spectroscopy and nuclear magnetic resonance spectroscopy
2011 ◽
Vol 54
(3)
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pp. 491-496
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2000 ◽
Vol 904
(2)
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pp. 243-249
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2014 ◽
Vol 88
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pp. 497-508
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2007 ◽
Vol 1146
(2)
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pp. 164-185
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1987 ◽
Vol 408
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pp. 349-355
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1998 ◽
Vol 794
(1-2)
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pp. 299-316
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2002 ◽
Vol 25
(14)
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pp. 877-882
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