sentences:  Each tablet contains 1.544 mg rilmenidine dihydrogen phosphate, an amount equivalent to 1 mg of rilmenidine base.Rilmenidine, an oxazoline compound with antihypertensive properties, acts on both medullary and peripheral vasomotor structures.Rilmenidine shows greater selectivity for imidazoline receptors than for cerebral alpha2-adrenergic receptors, distinguishing it from reference alpha2-agonists.