Crystalline forms of pyrimidine nucleoside derivative

Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Carbohydrate doai

Reexamination Certificate

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Details

C514S043000, C536S028500, C536S028510

Reexamination Certificate

active

06908906

ABSTRACT:
The present invention provides crystalline forms and compositions thereof, of a pyrimidine nucleoside derivative of formula (I) having anti-tumour activity, wherein formula (I) is:

REFERENCES:
patent: 5691319 (1997-11-01), Kaneko et al.
patent: 0 536 936 (1993-04-01), None
patent: 05-194497 (1993-08-01), None
patent: 2569251 (1996-10-01), None
English translation of International Preliminary Examination Report Form PCT/IPEA/409 in International Application No. PCT/JP02/00986.

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