FIELD: chemistry.
SUBSTANCE: invention relates to crystalline form α monobenzoate of compound A, a dipeptidyl peptidase-IV inhibitor, of formula (IA). Invention relates also to a method for producing crystalline form α monobenzoate of compound A, to monobenzoate of compound A, to pharmaceutical composition.
(IA).
EFFECT: technical result: obtaining crystalline form α monobenzoate of compound A which is stable and well soluble in water.
9 cl, 2 dwg, 2 tbl, 7 ex
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