FIELD: chemistry.
SUBSTANCE: invention relates to crystalline forms of 1,2-pyrrolidinedicarboxamide, N1-(4-chlorophenyl)-N2-[2-fluoro-4-(2-oxo-1(2H)-pyridinyl)phenyl]-4-methoxy-, (2R,4R)-(9CI), as well as to methods of obtaining said crystalline forms and to their pharmaceutical compositions, which have inhibitory activity towards Xa factor.
EFFECT: high stability of new crystalline forms.
19 cl, 9 ex, 7 dwg, 5 tbl
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