毒扁豆鹼
Physostigmine \Phy`so*stig"mine\, n. (Chem.)
An alkaloid found in the Calabar bean (the seed of
{Physostigma venenosum}), and extracted as a white,
tasteless, substance, amorphous or crystalline; -- formerly
called {eserine}, with which it was regarded as identical.
physostigmine
n : used in treatment of Alzheimer's disease and glaucoma