Figure 2.
1H VT-NMR spectroscopy of piperazine 2c (400 MHz, d8-THF) showing 5.40–3.10 ppm.
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.