3657276

Information

• Patent Grant
• 3657276

• References
• Source

• Patent Number

  3,657,276

• Date Filed

  Not available

• Date Issued

  Tuesday, April 18, 1972
  53 years ago

• CPC

  • C07D417/04 - directly linked by a ring-member-to-ring-member bond
  • C07D281/02 - Seven-membered rings
  • C07D281/12 - condensed with two six-membered rings
  • Y10S514/826 - Asthma
  • Y10S514/869 - Diuretic

• US Classifications

  • 540 - Organic compounds
  • 514 - Drug, bio-affecting and body treating compositions