New amlodipine salt is calcium channel blocker, useful in treatment of hypertension and angina e.g. angina pectoris, vasospastic angina (Prinzmetal's angina), also for treating other cardiac conditions

摘要

Amlodipine hemimaleate is new. Amlodipine hemimaleate of formula (I) is new. n = 2. Independent claims are also included for the following: (1) Preparation of (I); and (2) A crystalline or monohydrate form of (I).