3687979

Information

• Patent Grant
• 3687979

• References
• Source

• Patent Number

  3,687,979

• Date Filed

  Not available

• Date Issued

  Tuesday, August 29, 1972
  52 years ago

• CPC

  • C07D493/02 - in which the condensed system contains two hetero rings

• US Classifications

  • 549 - Organic compounds