New crystalline and amorphous form of a triazolo(4,5-d)pyrimidine compound

New crystalline and amorphous form of a triazolo(4,5-d)pyrimidine compound

CN
  • CN 1,817,883 B
  • Filed: 05/31/2001
  • Issued: 10/05/2011
  • Est. Priority Date: 06/02/2000
  • Status: Active Grant
First Claim
Patent Images

1. formula (I) compound that the crystal form form is a crystal form II:

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