Not I, though Dr. Shulgin says; "The second question relates to yet another beta-carboline alkaloid, Harman. This is a structural analogue of Harmine that has been stripped of its methoxyl group. It is widely found in plants and foods, and has been shown in experimental animals to be a vasodilator and a hypotensive agent. It also interacts directly with DNA and is thus a possible mutagenic agent."

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https://web.archive.org/web/20020325022732/http://www.alchem...