| 摘要 |
<p>Disclosed is an acid addition salt of (+)-2-[(inden-7-yloxy)methyl]morpholine (compound A), which is intended to be used as a pharmaceutical agent or an active ingredient for a pharmaceutical agent, and has high storage stability, particularly high stability toward humidity and light. Also disclosed is a novel crystal of the acid addition salt. An acid addition salt of compound A with an acid selected from benzenesulfonic acid and hydrobromic acid is a compound which can be isolated in the form of a crystal, takes a solid form at room temperature, exhibits hygroscopicity at such a level that there is no problem for use as a pharmaceutical agent or an active ingredient for a pharmaceutical agent, has stability toward humidity and light, and is therefore extremely useful as a pharmaceutical agent or an active ingredient for a pharmaceutical agent.</p> |
