The present invention provides an acid addition salt or a sodium salt of a compound represented by the formula (IA):
or their hydrate or a stable crystalline solid thereof. The salt or the crystalline solid is extremely useful as an active ingredient for the production of a pharmaceutical product.
本发明提供了一种由式(IA)代表的化合物的酸加成盐或钠盐:
或其
水合物或其稳定的结晶固体。这种盐或结晶固体作为生产药品的活性成分非常有用。