3,4,5-Trimethoxy-Benzoic Acid 2-Diethylamino-Ethyl Ester is a medicinal component of Achillea filipendulina plant. 3,4,5-Trimethoxy-Benzoic Acid 2-Diethylamino-Ethyl Ester is a calcium antagonist capable of reducing intracellular free calcium through inhibition of calcium release from the sarcoplasmic reticulum.