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Huperzine A is a naturally occurring sesquiterpene alkaloid compound found in the firmoss Huperzia serrata and in varying quantities in other Huperzia species, including H. elmeri, H. carinat, and H. aqualupian.
H 1438 (OTTO) (-)-Huperzine A, 98%+ Cas 102518-79-6 - used for the treatment of neurodegenerative disorders