| 摘要 |
FIELD: chemistry.SUBSTANCE: invention relates to crystalline form of monohydrochloride salt of formula Acompound in polymorphic form A, where said monohydrochloride salt has in diffraction of X-rays peak at diffraction angle 2θ 9.9±0.3° and 20.0±0.3°.EFFECT: said crystalline form has low moisture-absorption in comparison with free base and monohydrate monochloride, which makes it possible to provide composition stability with low risk of chemical destruction.4 cl, 10 tbl, 14 dwg, 16 ex |
