FIELD: chemistry.
SUBSTANCE: invention relates to novel crystalline form of N-(3-cyano-4-methyl-1H-indole-7-yl)-3-cyanobenzolsulfonamide, which has diffraction peak at diffraction angle (2θ±0.2°) 11.4° and 19.1° at powder roentgenography, crystalline form of hydrate of N-(3-cyano-4-methyl-1H-indole-7-yl)-3-cyanobenzolsulfonamide, which has diffraction peak at diffraction angle (2θ±0.2°)8.5° and 25.8° at powder roentgenography, which have excellent light resistance. Methods of their obtaining are described.
EFFECT: obtaining novel crystalline form.
22 cl, 15 tbl, 9 dwg, 9 ex
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