摘要 |
FIELD: organic chemistry, medicine, oncology, pharmacy. ^ SUBSTANCE: invention relates to new stable crystalline forms of derivative of pyrimidine nucleoside of the formula (I) eliciting the excellent anti-tumor activity. Also, invention relates to pharmaceutical composition eliciting an anti-tumor effect, applying crystalline form for preparing medicinal agent and to a method for prophylaxis or treatment of tumor diseases. ^ EFFECT: improved method for prophylaxis and treatment, valuable medicinal properties of derivative. ^ 10 cl, 2 tbl, 4 dwg, 9 ex |