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.
Chemical structure of bisbenzylisoquinoline (BBIQ) alkaloids. Cycleanine (compound 1), isochondodendrine (compound 2), and 2′-norcocsuline (compound 3) from T. subcordata and two novel semisynthetic analogues (compounds 4 and 5) of cycleanine.
