COMPOUND HAVING THE STRUCTURE(7ALPHA, 17ALPHA)-17-HYDROXY-7-METHYL-19-NOR-17-PREGN-5(10)-EN-20-IN-3-ONE AND PHARMACEUTICAL COMPOSITION CONTAINING IT

摘要

A pharmaceutical composition which contains a pharmaceutically suitable carrier and the compound having the structure (7 alpha ,17 alpha )-17-hydroxy-7-methyl-19-nor-17-pregn-5(10)-en-20-yn-3-one, characterized in that the said compound is crystalline pure and completely or virtually completely free from the other crystalline form.