Disclosed is a compound composed of an easily-handleable crystal form and having storage stability that is practical enough to be used as an active ingredient of a pharmaceutical product. Specifically disclosed is 6-[(3R)-3-aminopiperidin-1-yl]-5-(2-chloro-5-fluorobenzyl)-1,3-dimethyl-1H-pyrrolo[3,2-d]pyrimidine-2,4(3H,4H)-dione monohydrochloride hemihydrate.
本发明揭示了一种由易于处理的晶体形式组成的化合物,具有足够实用的储存稳定性,可用作药物产品的活性成分。具体揭示的是6-[(3R)-
3-氨基哌啶-1-基]-5-(2-
氯-5-
氟苯甲基)-1,3-二甲基-1H-
吡咯并[3,2-d]
嘧啶-2,4(3H,4H)-二酮单盐酸盐半
水合物。