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NEFA is an abbreviation that has several meanings:

  • (4aR,9aS)-N-ethyl-4,4a,9,9a-tetrahydro-1H-fluoren-4a-amine
  • The Nine Eleven Finding Answers Foundation
  • Non-essential fatty acid
  • North East Folklore Archive
  • North East Forest Alliance
  • New England Foundation for the Arts
  • North-East Frontier Agency
  • Non-esterified fatty acid ("free fatty acid")
  • New England Flying Disc Association
  • New England Fencing Alliance
NEFA (drug)

NEFA is a moderate affinity NMDA antagonist (IC = 0.51 μM). It is a structural analog of phencyclidine. It was first synthesized by a team at Parke Davis in the late 1950s.