FIELD: chemistry.
SUBSTANCE: present invention relates to crystalline forms A, B and F of racemic ilaprazole (2[[(4-methoxy-3-methyl-2-pyridinyl)-methyl]thionyl]-5-(1H-pyrrol-1-yl)-1H-benzimidazole). The invention also relates to a pharmaceutical composition based on crystalline ilaprazole and use of crystalline ilaprazole.
EFFECT: obtaining novel crystalline forms of ilaprazole which can be used to inhibit gastric acid secretion.
14 cl, 57 dwg, 39 tbl, 10 ex
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