An official website of the United States government
Here's how you know
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.
Chromatograms for F2-IsoPs and F4-NeuroPs from the mouse cerebrum. All chromatograms plot abundance vs. time (min). (A) m/z 569 chromatogram showing F2-IsoPs, (B) m/z 573 chromatogram showing internal standard, (C) m/z 593 chromatogram showing F4-NeuroPs.