4H-1-BENZOPYRAN-2-CARBOXYLIC ACID, 6-CHLORO-4-OXO- 5-18-08-00316 (Beilstein Handbook Reference) 5006-45-1 6-Chloro-4-oxo-4H-1-benzopyran-2-carboxylic acid Acide chloro-6 chromone carboxylique-2 [French] BRN 0185068