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heptafluorobutyric anhydride

 
National Institutes of Health

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Highly Cited
2012
Highly Cited
2012
We present three fatal intoxications of methylone, a cathinone derivative. Blood was analyzed with a routine alkaline liquid… Expand
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Highly Cited
2005
Highly Cited
2005
An analytical procedure was developed for the simultaneous sensitive identification, screening and quantitation of 30 drugs of… Expand
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Highly Cited
2004
Highly Cited
2004
A new sample preparation method coupled to GC-MS analysis was developed and validated for quantification of sulfate esters of… Expand
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Highly Cited
2000
Highly Cited
2000
An accurate and very sensitive method which allows for the simultaneous determination of the diamines (1,3-diaminopropane… Expand
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1999
1999
A gas chromatography/mass spectrometry (GC/MS) method is described which uses negative ion chemical ionization (NCI) and tandem… Expand
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Highly Cited
1996
Highly Cited
1996
In Europe, the compound 3,4-methylenedioxymethamphetamine (MDMA, Ecstasy, Adam), in addition to cannabis, is the most abused… Expand
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Highly Cited
1996
Highly Cited
1996
A simple and rapid method for analysis of methamphetamine (MA) and amphetamine (AP) in blood was developed using head space-solid… Expand
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Highly Cited
1995
Highly Cited
1995
The present paper describes a sensitive method developed in our laboratory for the simultaneous analysis of opiates (morphine… Expand
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Highly Cited
1987
Highly Cited
1987
  • S. Mackenzie
  • Journal - Association of Official Analytical…
  • 1987
  • Corpus ID: 13632763
The N-heptafluorobutyryl isobutyl derivatives of proteic amino acids are well resolved by gas chromatography and form the basis… Expand
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Highly Cited
1978
Highly Cited
1978
Kinetic parameters ol metformin (N,N‐dimethylbiguanide), an anti‐diabetic reported to be associated with a lower number of… Expand
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