Diisopropylfluorophosphate is not a specific label for the red cell membrane.
D000110:Acetylcholinesterase; D002462:Cell Membrane / Q000201:enzymology; D004912:Erythrocytes / Q000201:enzymology*; D006801:Humans; D007531:Isoflurophate / Q000378:metabolism*; D010759:Phosphorus Isotopes; D014316:Tritium
D010759:Phosphorus Isotopes; D014316:Tritium; D007531:Isoflurophate; D000110:Acetylcholinesterase