Active Herbal-Derived Compound: DL-Tetrahydropalmatine Hydrochloride is the main active component extracted from the traditional Chinese herb Corydalis.

Dopamine D2 Receptor Antagonist Activity: The compound exhibits pharmacological activity through antagonism of striatal dopamine D2 receptors.

Cardiovascular Regulatory Effects: Studies indicate that it can induce hypotension and bradycardia in rat models, demonstrating cardiovascular activity.

Suitable for Pharmaceutical and Research Applications: Its defined biological properties make it valuable for pharmacological studies and related pharmaceutical research.