32773-96-9 4H-1-BENZOPYRAN-2-CARBOXAMIDE, N,N-DIETHYL-4-OXO- 5-18-08-00314 (Beilstein Handbook Reference) BRN 0196275 Chromone carboxylate-2 de diethylamine [French] Chromone-2-carboxylic acid diethylamide N,N-Diethyl-4-oxochromone-2-carboxamide