Xiamen method of producing alcohol ralrol hydrochloride formulation persistence

摘要

Amosulalol hydrochloride is an excellent hypotensive agent having an adrenergic alpha -blocking action and an adrenergic beta -blocking action. The invention provides a long acting formulation of amosulalol hydrochloride comprising amosulalol hydrochloride and an entero-soluble material (e.g. a methacrylic acid/ethyl acrylate copolymer) and optionally a pharmaceutically acceptable organic acid (e.g. citric acid or tartaric acid).