Hydrogenated ergot alkaloids, specifically an equiproportional mixture of dihydroergocornine methanesulfonate, dihydroergocristine methanesulfonate and α- and β-dihydroergocryptine methanesulfonate in the ratio of 1.5-2.5:1. Neuropharmacological investigations: D. M. Loew et al., Postgrad. Med. J. 52, Suppl. 1, 40 (1976).
α-Adrenergic blocker (treatment of impaired mental function in the elderly).
α-Adrenergic Blocker