Anhalidine is a naturally occurring tetrahydroisoquinoline based alkaloid which can be isolated from Lophophora williamsii;[1] it has also been detected other cactii[2] and several species of Acacia.
[3][4] It is part of a family of compounds that are structurally related to mescaline.
This article about an alkaloid is a stub.
You can help Wikipedia by expanding it.