| 摘要 |
1. A method for modulating calcium channels in vascular and cardiac tissue comprising administering to a warm-blooded animal in need thereof a pharmaceutically-effective amount of a compound having the formula wherein R<1> and R<3> are independently hydrogen; R<2> is selected from the group consisting of pyrrolidine, hexamethylenemino, and piperidino; or a pharmaceutically-acceptable salt thereof. 2. The method of claim 1 wherein R<2> is piperidino. 3. The method of claim 2 wherein said pharmaceutically-acceptable salt is the hydrochloride salt. |
