Huperzine A
[The source of the plant] Extracted from Huperzia serrata (Thunb.) Trev.
[Active ingredient] Huperzine A
[Main specifications] 1% 5% 98%
[Molecular formula and molecular weight] C15H18N2O;242.32
[Pharmacology function] It cures myasthenia gravis, presenile dementia and juvenile learning disorder.