14736-30-2 2-Ethylchromone 3-Ethylchromone 4-17-00-05093 (Beilstein Handbook Reference) 4H-1-Benzopyran-4-one, 2-ethyl- (9CI) 4H-1-Benzopyran-4-one, 3-ethyl- AI3-03078 BRN 0124317 CHROMONE, 3-ETHYL- Chromone, 2-ethyl- (7CI,8CI) Ethyl-3 chromone [French] L.B.C 181 NSC 71387