FIELD: chemistry.
SUBSTANCE: invention relates to organic chemistry, in particular to crystalline dihydrate 6-(piperidin-4-yloxy)-2H-isoquinolin-1-one of formula
and a solid pharmaceutical composition thereof.
EFFECT: obtained crystalline hydrochloride dihydrate, having better stability and hygroscopicity, which is preferable in obtaining the medicinal product based on it.
16 cl, 14 dwg, 1 tbl
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