Skip to search formSkip to main content
You are currently offline. Some features of the site may not work correctly.

4-carbethoxyhexafluorobutyryl chloride

 
National Institutes of Health

Papers overview

Semantic Scholar uses AI to extract papers important to this topic.
2005
2005
The use of fast gas chromatography-mass spectrometry (FGC-MS) was investigated to improve the efficiency of analysis of urine… Expand
  • table I
  • figure 1
  • table II
  • table III
  • table IV
1998
1998
Stable isotope dilution gas chromatographic-mass spectrometric (GC-MS) measurement of tricyclic antidepressants (TCA) is a useful… Expand
  • figure 2
  • figure 1
  • figure 4
  • figure 3
  • table I
1998
1998
Phenmetrazine is a central nervous system stimulant currently used as an anorectic agent. The drug is abused and is reported to… Expand
1997
1997
Urinary phenol is analyzed widely to determine benzene exposure in humans. Most methods utilize direct measurements of phenols… Expand
1995
1995
Ethylene glycol poisoning is a common problem and identification of ethylene glycol in serum is important for both medical and… Expand
1995
1995
Deuterium-labeled analogues are available for a variety of drugs, but the amphetamines (amphetamine and methamphetamine) have… Expand
1993
1993
Recently, certain laboratories reported the presence of methamphetamine in several negative urine specimens. We have demonstrated… Expand
Highly Cited
1992
Highly Cited
1992
Derivatives of seven commonly used sympathomimetic amines and two "designer amines" were isolated from urine, separated… Expand
1992
1992
An underivatized methane chemical ionization (CI) assay for measuring amphetamines in urine was evaluated against derivatized… Expand
Highly Cited
1989
Highly Cited
1989
An analytical procedure for methamphetamine and amphetamine has been developed using 4-carbethoxyhexafluorobutyryl chloride. This… Expand