PHARMACEUTICALLY ACCEPTABLE SALT AS EXTERNAL RENAL MARINE POTASSIUM CHANNEL INHIBITOR

摘要

A pharmaceutically acceptable salt is provided as an external renal marrow (romk) potassium channel inhibitor, specifically a 1-tartrate and a crystalline form ie crystalline form ii thereof. the pharmaceutically acceptable salt of romk inhibitor, specifically 1-tartrate, improved bioavailability and stability.