Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Gas chromatography/mass spectroscopy identification of M2 as 4-aminopyridine. Mass chromatograms of M2 (A) and authentic 4-aminopyridine (B), and mass spectra of M2 (C) and authentic 4-aminopyridine (D). Samples were derivatized prior to gas chromatography mass spectroscopy analysis.
