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4-carbethoxyhexafluorobutyryl chloride

National Institutes of Health

Papers overview

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2005
2005
The use of fast gas chromatography-mass spectrometry (FGC-MS) was investigated to improve the efficiency of analysis of urine… 
1999
1999
Aniline, widely used as an intermediate in the synthesis of dye, is also used in the manufacture of pharmaceuticals, photographic… 
1998
1998
Stable isotope dilution gas chromatographic-mass spectrometric (GC-MS) measurement of tricyclic antidepressants (TCA) is a useful… 
1998
1998
Phenmetrazine is a central nervous system stimulant currently used as an anorectic agent. The drug is abused and is reported to… 
1995
1995
Deuterium-labeled analogues are available for a variety of drugs, but the amphetamines (amphetamine and methamphetamine) have… 
1995
1995
Ethylene glycol poisoning is a common problem and identification of ethylene glycol in serum is important for both medical and… 
Highly Cited
1993
Highly Cited
1993
Recently, certain laboratories reported the presence of methamphetamine in several negative urine specimens. We have demonstrated… 
Highly Cited
1992
Highly Cited
1992
Derivatives of seven commonly used sympathomimetic amines and two "designer amines" were isolated from urine, separated… 
1992
1992
An underivatized methane chemical ionization (CI) assay for measuring amphetamines in urine was evaluated against derivatized… 
Highly Cited
1989
Highly Cited
1989
An analytical procedure for methamphetamine and amphetamine has been developed using 4-carbethoxyhexafluorobutyryl chloride. This…