3817987

Information

• Patent Grant
• 3817987

• References
• Source

• Patent Number

  3,817,987

• Date Filed

  Not available

• Date Issued

  Tuesday, June 18, 1974
  50 years ago

• CPC

  • C07D267/06 - having the hetero atoms in positions 1 and 3

• US Classifications

  • 540 - Organic compounds