| 摘要 |
PCT No. PCT/SE98/01394 Sec. 371 Date Sep. 30, 1998 Sec. 102(e) Date Sep. 30, 1998 PCT Filed Jul. 15, 1998 PCT Pub. No. WO99/05144 PCT Pub. Date Feb. 4, 1999Triazolo[4,5-d]pyrimidine compounds of the formula where R1 through R4 and X are as defined in the specification are provided, together with compositions containing them, a process for their preparation and methods of use. The compounds are useful in the treatment of platelet aggregation disorders and angina.
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