Scheme 1.
Preparation of [15N2]-2,4-Dimethoxy-6-bromopyrimidine and [15N3]-Guanidine Hydrochloride from 15NH4Cl, the Key Precursors Constituting the Source of All 15N Isotopes in Cylindrospermopsins
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.