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heptafluorobutyryl methyl ester

 
National Institutes of Health

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1996
1996
An enantioselective gas chromatographic-mass spectrometric assay is developed for alprenolol and its metabolite, 4-hydroxy… Expand
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1984
1984
A gas chromatographic-mass spectrometric method has been developed for the determination of N-7-[2H3]methyl guanine in urine in… Expand
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1973
1973
Abstract A method for the quantitative determination of the isomers 4-hydroxy-3-methoxyphenylacetic acid (HVA) and 3-hydroxy-4… Expand
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1973
1973
Abstract Mass fragmentographic methods for determination of 4-hydroxy-3-methoxyphenyl acetic acid (HVA) in human cerebrospinal… Expand
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