original question: Which drug ingredient is the active moiety of [Maprotiline Hydrochloride]?
answer: maprotiline
answer type: Drug ingredient.
auxiliary information: The hydrochloride salt form of maprotiline, a tetracyclic antidepressant closely related to the tricyclic antidepressants with adrenergic activity and sedative properties. Maprotiline hydrochloride exerts its effect by blocking the re-uptake of norepinephrine, thereby increasing the synaptic concentration of norepinephrine in the central nervous system and subsequently prolonging the action of norepinephrine on central receptors.
What is the name of the drug ingredient that's active moiety of [Maprotiline Hydrochloride]?