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bietaserpine

n. 1-diaminoethylreserpine, a derivative of reserpine used as an antihypertensive agent.

Wikipedia
Bietaserpine

Bietaserpine ( INN), or 1-diaminoethylreserpine, is a derivative of reserpine used as an antihypertensive agent. Like reserpine, bietaserpine is a VMAT inhibitor.