| abstract |
The present invention relates to a salt of a novel pyrazolopyrimidinone compound represented by the formula (I), and pharmacologically acceptable polymorphs, solvates, hydrates, dehydrates, cocrystals, and anhydrides thereof. Or an amorphous form, and a drug composition containing them and a unit dosage form of the drug, wherein X is an organic acid or an inorganic acid, and a co-crystal of the other pyrazolopyrimidinone compound of the present invention or It is preferable that the complex is maleic acid, succinic acid, hydrochloric acid, methanesulfonic acid and a drug composition containing them. The present invention also relates to methods for producing the above-mentioned substances, their use, and drug formulations comprising their salts and crystal forms. |