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https://doi.org/10.1016/0020-7381(83)87068-5
Copy DOIPublication Date: Jan 1, 1983 | |
Citations: 8 |
Electron capture negative chemical ionization mass spectrometry has been applied to the determination of guanfacine in biological samples. After derivatization with hexafluoroacetylacetone, gas-chromatography on fused silica capillary column and negative chemical ionization with methane, the compound is quantified using selected ion monitoring by comparing the intensity of the molecular anion at m/z = 417 with the intensity of the corresponding anion from the stable isotope labelled ( 13C- 15N 3-guanfacine) as internal standard. This method has been applied to the determination of the pharmacokinetic profile of guanfacine in man after a 2 mg oral dose.
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