Fluorine F 18 FEQA

**Semantic type:** Indicator, Reagent, or Diagnostic Aid|Pharmacologic Substance

**Definition:** The anilinoquinazoline derivative FEQA radiolabeled with the positron-emitting radioisotope fluorine F 18 with epidermal growth factor receptor (EGFR) binding and radioisotopic activities. Fluorine F 18 FEQA irreversibly binds to EGFR, allowing imaging of EGFR-positive tumor cells with positron emission tomography (PET).

**Synonyms:** - F-18 FEQA - N-(4-((3'-(F-18)FLUOROETHYLPHENYL)AMINO)-6-QUINAZOLINYL)ACRYLAMIDE - N-{4-[(3'- [F-18] Fluoroethylphenyl)amino]-6-quinazolinyl}-acrylamide - fluorine F 18 FEQA